Home / 26,489.10-36,565.38-15,876.66

Finding the Fourth Proportional to 26,489.10, 36,565.38 and 15,876.66

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Solution

The fourth proportional to 26,489.10, 36,565.38 and 15,876.66 is: 21,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.10 : 36,565.38 = 15,876.66 : x
  2. Step 2: Convert to fraction form
    26,489.10/36,565.38 = 15,876.66/x
  3. Step 3: Cross multiply
    26,489.10x = 36,565.38 × 15,876.66
  4. Step 4: Simplify right side
    26,489.10x = 580,536,106.03
  5. Step 5: Solve for x
    x = 580,536,106.03/26,489.10
  6. Step 6: Final answer
    x = 21,916.04

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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.