Home / 25,781.28-35,581-14,452.60

Finding the Fourth Proportional to 25,781.28, 35,581 and 14,452.60

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Solution

The fourth proportional to 25,781.28, 35,581 and 14,452.60 is: 19,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.28 : 35,581 = 14,452.60 : x
  2. Step 2: Convert to fraction form
    25,781.28/35,581 = 14,452.60/x
  3. Step 3: Cross multiply
    25,781.28x = 35,581 × 14,452.60
  4. Step 4: Simplify right side
    25,781.28x = 514,237,960.60
  5. Step 5: Solve for x
    x = 514,237,960.60/25,781.28
  6. Step 6: Final answer
    x = 19,946.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.