Home / 29,187.78-40,282.17-17,864.82

Finding the Fourth Proportional to 29,187.78, 40,282.17 and 17,864.82

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Solution

The fourth proportional to 29,187.78, 40,282.17 and 17,864.82 is: 24,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.78 : 40,282.17 = 17,864.82 : x
  2. Step 2: Convert to fraction form
    29,187.78/40,282.17 = 17,864.82/x
  3. Step 3: Cross multiply
    29,187.78x = 40,282.17 × 17,864.82
  4. Step 4: Simplify right side
    29,187.78x = 719,633,649.27
  5. Step 5: Solve for x
    x = 719,633,649.27/29,187.78
  6. Step 6: Final answer
    x = 24,655.31

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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.