Home / 18,280.66-27,265.02-17,964.76

Finding the Fourth Proportional to 18,280.66, 27,265.02 and 17,964.76

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Solution

The fourth proportional to 18,280.66, 27,265.02 and 17,964.76 is: 26,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.66 : 27,265.02 = 17,964.76 : x
  2. Step 2: Convert to fraction form
    18,280.66/27,265.02 = 17,964.76/x
  3. Step 3: Cross multiply
    18,280.66x = 27,265.02 × 17,964.76
  4. Step 4: Simplify right side
    18,280.66x = 489,809,540.70
  5. Step 5: Solve for x
    x = 489,809,540.70/18,280.66
  6. Step 6: Final answer
    x = 26,793.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.