Home / 28,891.40-39,841.70-17,562.44

Finding the Fourth Proportional to 28,891.40, 39,841.70 and 17,562.44

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Solution

The fourth proportional to 28,891.40, 39,841.70 and 17,562.44 is: 24,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.40 : 39,841.70 = 17,562.44 : x
  2. Step 2: Convert to fraction form
    28,891.40/39,841.70 = 17,562.44/x
  3. Step 3: Cross multiply
    28,891.40x = 39,841.70 × 17,562.44
  4. Step 4: Simplify right side
    28,891.40x = 699,717,465.75
  5. Step 5: Solve for x
    x = 699,717,465.75/28,891.40
  6. Step 6: Final answer
    x = 24,218.88

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1.5x scale

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.