Home / 29,273.40-40,397.18-15,844.87

Finding the Fourth Proportional to 29,273.40, 40,397.18 and 15,844.87

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Solution

The fourth proportional to 29,273.40, 40,397.18 and 15,844.87 is: 21,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,273.40 : 40,397.18 = 15,844.87 : x
  2. Step 2: Convert to fraction form
    29,273.40/40,397.18 = 15,844.87/x
  3. Step 3: Cross multiply
    29,273.40x = 40,397.18 × 15,844.87
  4. Step 4: Simplify right side
    29,273.40x = 640,087,898.63
  5. Step 5: Solve for x
    x = 640,087,898.63/29,273.40
  6. Step 6: Final answer
    x = 21,865.85

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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.