Home / 25,342.38-34,972.64-13,857.33

Finding the Fourth Proportional to 25,342.38, 34,972.64 and 13,857.33

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Solution

The fourth proportional to 25,342.38, 34,972.64 and 13,857.33 is: 19,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.38 : 34,972.64 = 13,857.33 : x
  2. Step 2: Convert to fraction form
    25,342.38/34,972.64 = 13,857.33/x
  3. Step 3: Cross multiply
    25,342.38x = 34,972.64 × 13,857.33
  4. Step 4: Simplify right side
    25,342.38x = 484,627,344.16
  5. Step 5: Solve for x
    x = 484,627,344.16/25,342.38
  6. Step 6: Final answer
    x = 19,123.20

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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.