Home / 29,278.13-40,402.41-16,532.78

Finding the Fourth Proportional to 29,278.13, 40,402.41 and 16,532.78

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Solution

The fourth proportional to 29,278.13, 40,402.41 and 16,532.78 is: 22,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.13 : 40,402.41 = 16,532.78 : x
  2. Step 2: Convert to fraction form
    29,278.13/40,402.41 = 16,532.78/x
  3. Step 3: Cross multiply
    29,278.13x = 40,402.41 × 16,532.78
  4. Step 4: Simplify right side
    29,278.13x = 667,964,156.00
  5. Step 5: Solve for x
    x = 667,964,156.00/29,278.13
  6. Step 6: Final answer
    x = 22,814.44

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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.