Home / 29,278.46-40,422.94-19,224.76

Finding the Fourth Proportional to 29,278.46, 40,422.94 and 19,224.76

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Solution

The fourth proportional to 29,278.46, 40,422.94 and 19,224.76 is: 26,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.46 : 40,422.94 = 19,224.76 : x
  2. Step 2: Convert to fraction form
    29,278.46/40,422.94 = 19,224.76/x
  3. Step 3: Cross multiply
    29,278.46x = 40,422.94 × 19,224.76
  4. Step 4: Simplify right side
    29,278.46x = 777,121,049.10
  5. Step 5: Solve for x
    x = 777,121,049.10/29,278.46
  6. Step 6: Final answer
    x = 26,542.41

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Double scale
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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.