Home / 25,691.76-35,459.15-14,939.96

Finding the Fourth Proportional to 25,691.76, 35,459.15 and 14,939.96

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Solution

The fourth proportional to 25,691.76, 35,459.15 and 14,939.96 is: 20,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.76 : 35,459.15 = 14,939.96 : x
  2. Step 2: Convert to fraction form
    25,691.76/35,459.15 = 14,939.96/x
  3. Step 3: Cross multiply
    25,691.76x = 35,459.15 × 14,939.96
  4. Step 4: Simplify right side
    25,691.76x = 529,758,296.58
  5. Step 5: Solve for x
    x = 529,758,296.58/25,691.76
  6. Step 6: Final answer
    x = 20,619.77

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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.