Home / 26,691.31-40,005.68-10,886.47

Finding the Fourth Proportional to 26,691.31, 40,005.68 and 10,886.47

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Solution

The fourth proportional to 26,691.31, 40,005.68 and 10,886.47 is: 16,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.31 : 40,005.68 = 10,886.47 : x
  2. Step 2: Convert to fraction form
    26,691.31/40,005.68 = 10,886.47/x
  3. Step 3: Cross multiply
    26,691.31x = 40,005.68 × 10,886.47
  4. Step 4: Simplify right side
    26,691.31x = 435,520,635.15
  5. Step 5: Solve for x
    x = 435,520,635.15/26,691.31
  6. Step 6: Final answer
    x = 16,316.95

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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.