Home / 29,220.38-40,324.47-15,972.38

Finding the Fourth Proportional to 29,220.38, 40,324.47 and 15,972.38

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Solution

The fourth proportional to 29,220.38, 40,324.47 and 15,972.38 is: 22,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.38 : 40,324.47 = 15,972.38 : x
  2. Step 2: Convert to fraction form
    29,220.38/40,324.47 = 15,972.38/x
  3. Step 3: Cross multiply
    29,220.38x = 40,324.47 × 15,972.38
  4. Step 4: Simplify right side
    29,220.38x = 644,077,758.14
  5. Step 5: Solve for x
    x = 644,077,758.14/29,220.38
  6. Step 6: Final answer
    x = 22,042.07

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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.