Home / 28,227.67-42,304.59-11,568.20

Finding the Fourth Proportional to 28,227.67, 42,304.59 and 11,568.20

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Solution

The fourth proportional to 28,227.67, 42,304.59 and 11,568.20 is: 17,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.67 : 42,304.59 = 11,568.20 : x
  2. Step 2: Convert to fraction form
    28,227.67/42,304.59 = 11,568.20/x
  3. Step 3: Cross multiply
    28,227.67x = 42,304.59 × 11,568.20
  4. Step 4: Simplify right side
    28,227.67x = 489,387,746.52
  5. Step 5: Solve for x
    x = 489,387,746.52/28,227.67
  6. Step 6: Final answer
    x = 17,337.17

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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.