Home / 28,136.19-42,183.27-17,040.18

Finding the Fourth Proportional to 28,136.19, 42,183.27 and 17,040.18

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Solution

The fourth proportional to 28,136.19, 42,183.27 and 17,040.18 is: 25,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.19 : 42,183.27 = 17,040.18 : x
  2. Step 2: Convert to fraction form
    28,136.19/42,183.27 = 17,040.18/x
  3. Step 3: Cross multiply
    28,136.19x = 42,183.27 × 17,040.18
  4. Step 4: Simplify right side
    28,136.19x = 718,810,513.79
  5. Step 5: Solve for x
    x = 718,810,513.79/28,136.19
  6. Step 6: Final answer
    x = 25,547.54

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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.