Home / 21,520.08-32,279.28-5,937.28

Finding the Fourth Proportional to 21,520.08, 32,279.28 and 5,937.28

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Solution

The fourth proportional to 21,520.08, 32,279.28 and 5,937.28 is: 8,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.08 : 32,279.28 = 5,937.28 : x
  2. Step 2: Convert to fraction form
    21,520.08/32,279.28 = 5,937.28/x
  3. Step 3: Cross multiply
    21,520.08x = 32,279.28 × 5,937.28
  4. Step 4: Simplify right side
    21,520.08x = 191,651,123.56
  5. Step 5: Solve for x
    x = 191,651,123.56/21,520.08
  6. Step 6: Final answer
    x = 8,905.69

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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.