Home / 22,689.40-31,326.66-17,374.72

Finding the Fourth Proportional to 22,689.40, 31,326.66 and 17,374.72

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Solution

The fourth proportional to 22,689.40, 31,326.66 and 17,374.72 is: 23,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.40 : 31,326.66 = 17,374.72 : x
  2. Step 2: Convert to fraction form
    22,689.40/31,326.66 = 17,374.72/x
  3. Step 3: Cross multiply
    22,689.40x = 31,326.66 × 17,374.72
  4. Step 4: Simplify right side
    22,689.40x = 544,291,946.04
  5. Step 5: Solve for x
    x = 544,291,946.04/22,689.40
  6. Step 6: Final answer
    x = 23,988.82

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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.