Home / 20,952.24-31,407.60-9,839.04

Finding the Fourth Proportional to 20,952.24, 31,407.60 and 9,839.04

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Solution

The fourth proportional to 20,952.24, 31,407.60 and 9,839.04 is: 14,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.24 : 31,407.60 = 9,839.04 : x
  2. Step 2: Convert to fraction form
    20,952.24/31,407.60 = 9,839.04/x
  3. Step 3: Cross multiply
    20,952.24x = 31,407.60 × 9,839.04
  4. Step 4: Simplify right side
    20,952.24x = 309,020,475.67
  5. Step 5: Solve for x
    x = 309,020,475.67/20,952.24
  6. Step 6: Final answer
    x = 14,748.80

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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.