Home / 28,099.19-42,143.07-10,323.74

Finding the Fourth Proportional to 28,099.19, 42,143.07 and 10,323.74

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Solution

The fourth proportional to 28,099.19, 42,143.07 and 10,323.74 is: 15,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.19 : 42,143.07 = 10,323.74 : x
  2. Step 2: Convert to fraction form
    28,099.19/42,143.07 = 10,323.74/x
  3. Step 3: Cross multiply
    28,099.19x = 42,143.07 × 10,323.74
  4. Step 4: Simplify right side
    28,099.19x = 435,074,183.48
  5. Step 5: Solve for x
    x = 435,074,183.48/28,099.19
  6. Step 6: Final answer
    x = 15,483.51

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Half scale
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Double scale
Find fourth proportional to 28,100.19, 42,144.57 and 10,324.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.