Home / 18,255.04-27,391.08-17,960.20

Finding the Fourth Proportional to 18,255.04, 27,391.08 and 17,960.20

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Solution

The fourth proportional to 18,255.04, 27,391.08 and 17,960.20 is: 26,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.04 : 27,391.08 = 17,960.20 : x
  2. Step 2: Convert to fraction form
    18,255.04/27,391.08 = 17,960.20/x
  3. Step 3: Cross multiply
    18,255.04x = 27,391.08 × 17,960.20
  4. Step 4: Simplify right side
    18,255.04x = 491,949,275.02
  5. Step 5: Solve for x
    x = 491,949,275.02/18,255.04
  6. Step 6: Final answer
    x = 26,948.68

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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.