Home / 19,521.74-29,264.15-17,731.81

Finding the Fourth Proportional to 19,521.74, 29,264.15 and 17,731.81

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Solution

The fourth proportional to 19,521.74, 29,264.15 and 17,731.81 is: 26,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.74 : 29,264.15 = 17,731.81 : x
  2. Step 2: Convert to fraction form
    19,521.74/29,264.15 = 17,731.81/x
  3. Step 3: Cross multiply
    19,521.74x = 29,264.15 × 17,731.81
  4. Step 4: Simplify right side
    19,521.74x = 518,906,428.52
  5. Step 5: Solve for x
    x = 518,906,428.52/19,521.74
  6. Step 6: Final answer
    x = 26,580.95

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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.