Home / 28,984.11-43,454.88-9,251.28

Finding the Fourth Proportional to 28,984.11, 43,454.88 and 9,251.28

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Solution

The fourth proportional to 28,984.11, 43,454.88 and 9,251.28 is: 13,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.11 : 43,454.88 = 9,251.28 : x
  2. Step 2: Convert to fraction form
    28,984.11/43,454.88 = 9,251.28/x
  3. Step 3: Cross multiply
    28,984.11x = 43,454.88 × 9,251.28
  4. Step 4: Simplify right side
    28,984.11x = 402,013,262.25
  5. Step 5: Solve for x
    x = 402,013,262.25/28,984.11
  6. Step 6: Final answer
    x = 13,870.13

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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.