Home / 21,519.40-32,279.10-16,335.40

Finding the Fourth Proportional to 21,519.40, 32,279.10 and 16,335.40

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Solution

The fourth proportional to 21,519.40, 32,279.10 and 16,335.40 is: 24,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.40 : 32,279.10 = 16,335.40 : x
  2. Step 2: Convert to fraction form
    21,519.40/32,279.10 = 16,335.40/x
  3. Step 3: Cross multiply
    21,519.40x = 32,279.10 × 16,335.40
  4. Step 4: Simplify right side
    21,519.40x = 527,292,010.14
  5. Step 5: Solve for x
    x = 527,292,010.14/21,519.40
  6. Step 6: Final answer
    x = 24,503.10

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1.5x scale

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.