Home / 26,542.09-39,802-15,456.43

Finding the Fourth Proportional to 26,542.09, 39,802 and 15,456.43

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Solution

The fourth proportional to 26,542.09, 39,802 and 15,456.43 is: 23,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.09 : 39,802 = 15,456.43 : x
  2. Step 2: Convert to fraction form
    26,542.09/39,802 = 15,456.43/x
  3. Step 3: Cross multiply
    26,542.09x = 39,802 × 15,456.43
  4. Step 4: Simplify right side
    26,542.09x = 615,196,826.86
  5. Step 5: Solve for x
    x = 615,196,826.86/26,542.09
  6. Step 6: Final answer
    x = 23,178.16

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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.