Home / 28,099.17-42,148.74-15,613.22

Finding the Fourth Proportional to 28,099.17, 42,148.74 and 15,613.22

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Solution

The fourth proportional to 28,099.17, 42,148.74 and 15,613.22 is: 23,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.17 : 42,148.74 = 15,613.22 : x
  2. Step 2: Convert to fraction form
    28,099.17/42,148.74 = 15,613.22/x
  3. Step 3: Cross multiply
    28,099.17x = 42,148.74 × 15,613.22
  4. Step 4: Simplify right side
    28,099.17x = 658,077,339.60
  5. Step 5: Solve for x
    x = 658,077,339.60/28,099.17
  6. Step 6: Final answer
    x = 23,419.81

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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.