Home / 42,647.14-63,937.68-28,584.64

Finding the Fourth Proportional to 42,647.14, 63,937.68 and 28,584.64

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Solution

The fourth proportional to 42,647.14, 63,937.68 and 28,584.64 is: 42,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,647.14 : 63,937.68 = 28,584.64 : x
  2. Step 2: Convert to fraction form
    42,647.14/63,937.68 = 28,584.64/x
  3. Step 3: Cross multiply
    42,647.14x = 63,937.68 × 28,584.64
  4. Step 4: Simplify right side
    42,647.14x = 1,827,635,565.24
  5. Step 5: Solve for x
    x = 1,827,635,565.24/42,647.14
  6. Step 6: Final answer
    x = 42,854.82

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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.