Home / 29,428.17-40,610.67-15,999.42

Finding the Fourth Proportional to 29,428.17, 40,610.67 and 15,999.42

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Solution

The fourth proportional to 29,428.17, 40,610.67 and 15,999.42 is: 22,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.17 : 40,610.67 = 15,999.42 : x
  2. Step 2: Convert to fraction form
    29,428.17/40,610.67 = 15,999.42/x
  3. Step 3: Cross multiply
    29,428.17x = 40,610.67 × 15,999.42
  4. Step 4: Simplify right side
    29,428.17x = 649,747,024.29
  5. Step 5: Solve for x
    x = 649,747,024.29/29,428.17
  6. Step 6: Final answer
    x = 22,079.09

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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.