Home / 47,500.65-65,537.64-28,115.91

Finding the Fourth Proportional to 47,500.65, 65,537.64 and 28,115.91

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Solution

The fourth proportional to 47,500.65, 65,537.64 and 28,115.91 is: 38,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,500.65 : 65,537.64 = 28,115.91 : x
  2. Step 2: Convert to fraction form
    47,500.65/65,537.64 = 28,115.91/x
  3. Step 3: Cross multiply
    47,500.65x = 65,537.64 × 28,115.91
  4. Step 4: Simplify right side
    47,500.65x = 1,842,650,387.85
  5. Step 5: Solve for x
    x = 1,842,650,387.85/47,500.65
  6. Step 6: Final answer
    x = 38,792.11

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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.