Home / 22,725.43-31,387.33-15,158.61

Finding the Fourth Proportional to 22,725.43, 31,387.33 and 15,158.61

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Solution

The fourth proportional to 22,725.43, 31,387.33 and 15,158.61 is: 20,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.43 : 31,387.33 = 15,158.61 : x
  2. Step 2: Convert to fraction form
    22,725.43/31,387.33 = 15,158.61/x
  3. Step 3: Cross multiply
    22,725.43x = 31,387.33 × 15,158.61
  4. Step 4: Simplify right side
    22,725.43x = 475,788,313.36
  5. Step 5: Solve for x
    x = 475,788,313.36/22,725.43
  6. Step 6: Final answer
    x = 20,936.39

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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.