Home / 28,691.13-43,035.52-9,975.41

Finding the Fourth Proportional to 28,691.13, 43,035.52 and 9,975.41

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Solution

The fourth proportional to 28,691.13, 43,035.52 and 9,975.41 is: 14,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.13 : 43,035.52 = 9,975.41 : x
  2. Step 2: Convert to fraction form
    28,691.13/43,035.52 = 9,975.41/x
  3. Step 3: Cross multiply
    28,691.13x = 43,035.52 × 9,975.41
  4. Step 4: Simplify right side
    28,691.13x = 429,296,956.56
  5. Step 5: Solve for x
    x = 429,296,956.56/28,691.13
  6. Step 6: Final answer
    x = 14,962.71

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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.