Home / 29,726.14-41,026.28-18,399.28

Finding the Fourth Proportional to 29,726.14, 41,026.28 and 18,399.28

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Solution

The fourth proportional to 29,726.14, 41,026.28 and 18,399.28 is: 25,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,726.14 : 41,026.28 = 18,399.28 : x
  2. Step 2: Convert to fraction form
    29,726.14/41,026.28 = 18,399.28/x
  3. Step 3: Cross multiply
    29,726.14x = 41,026.28 × 18,399.28
  4. Step 4: Simplify right side
    29,726.14x = 754,854,013.08
  5. Step 5: Solve for x
    x = 754,854,013.08/29,726.14
  6. Step 6: Final answer
    x = 25,393.61

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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.