Home / 17,972.80-26,959.20-14,862.40

Finding the Fourth Proportional to 17,972.80, 26,959.20 and 14,862.40

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Solution

The fourth proportional to 17,972.80, 26,959.20 and 14,862.40 is: 22,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.80 : 26,959.20 = 14,862.40 : x
  2. Step 2: Convert to fraction form
    17,972.80/26,959.20 = 14,862.40/x
  3. Step 3: Cross multiply
    17,972.80x = 26,959.20 × 14,862.40
  4. Step 4: Simplify right side
    17,972.80x = 400,678,414.08
  5. Step 5: Solve for x
    x = 400,678,414.08/17,972.80
  6. Step 6: Final answer
    x = 22,293.60

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1.5x scale

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.