Home / 21,590.73-32,272.17-18,757.35

Finding the Fourth Proportional to 21,590.73, 32,272.17 and 18,757.35

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Solution

The fourth proportional to 21,590.73, 32,272.17 and 18,757.35 is: 28,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.73 : 32,272.17 = 18,757.35 : x
  2. Step 2: Convert to fraction form
    21,590.73/32,272.17 = 18,757.35/x
  3. Step 3: Cross multiply
    21,590.73x = 32,272.17 × 18,757.35
  4. Step 4: Simplify right side
    21,590.73x = 605,340,387.95
  5. Step 5: Solve for x
    x = 605,340,387.95/21,590.73
  6. Step 6: Final answer
    x = 28,037.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.