Home / 26,402.86-36,468.31-21,372.76

Finding the Fourth Proportional to 26,402.86, 36,468.31 and 21,372.76

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Solution

The fourth proportional to 26,402.86, 36,468.31 and 21,372.76 is: 29,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,402.86 : 36,468.31 = 21,372.76 : x
  2. Step 2: Convert to fraction form
    26,402.86/36,468.31 = 21,372.76/x
  3. Step 3: Cross multiply
    26,402.86x = 36,468.31 × 21,372.76
  4. Step 4: Simplify right side
    26,402.86x = 779,428,254.89
  5. Step 5: Solve for x
    x = 779,428,254.89/26,402.86
  6. Step 6: Final answer
    x = 29,520.61

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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.