Home / 25,472.43-38,138.45-19,213.49

Finding the Fourth Proportional to 25,472.43, 38,138.45 and 19,213.49

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Solution

The fourth proportional to 25,472.43, 38,138.45 and 19,213.49 is: 28,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472.43 : 38,138.45 = 19,213.49 : x
  2. Step 2: Convert to fraction form
    25,472.43/38,138.45 = 19,213.49/x
  3. Step 3: Cross multiply
    25,472.43x = 38,138.45 × 19,213.49
  4. Step 4: Simplify right side
    25,472.43x = 732,772,726.97
  5. Step 5: Solve for x
    x = 732,772,726.97/25,472.43
  6. Step 6: Final answer
    x = 28,767.29

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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.