Home / 19,426.28-29,117.39-17,081.78

Finding the Fourth Proportional to 19,426.28, 29,117.39 and 17,081.78

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Solution

The fourth proportional to 19,426.28, 29,117.39 and 17,081.78 is: 25,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.28 : 29,117.39 = 17,081.78 : x
  2. Step 2: Convert to fraction form
    19,426.28/29,117.39 = 17,081.78/x
  3. Step 3: Cross multiply
    19,426.28x = 29,117.39 × 17,081.78
  4. Step 4: Simplify right side
    19,426.28x = 497,376,619.16
  5. Step 5: Solve for x
    x = 497,376,619.16/19,426.28
  6. Step 6: Final answer
    x = 25,603.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.