Home / 28,909.60-39,899.82-17,582.68

Finding the Fourth Proportional to 28,909.60, 39,899.82 and 17,582.68

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Solution

The fourth proportional to 28,909.60, 39,899.82 and 17,582.68 is: 24,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.60 : 39,899.82 = 17,582.68 : x
  2. Step 2: Convert to fraction form
    28,909.60/39,899.82 = 17,582.68/x
  3. Step 3: Cross multiply
    28,909.60x = 39,899.82 × 17,582.68
  4. Step 4: Simplify right side
    28,909.60x = 701,545,767.12
  5. Step 5: Solve for x
    x = 701,545,767.12/28,909.60
  6. Step 6: Final answer
    x = 24,266.88

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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.