Home / 28,902.17-43,348.73-9,178.13

Finding the Fourth Proportional to 28,902.17, 43,348.73 and 9,178.13

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Solution

The fourth proportional to 28,902.17, 43,348.73 and 9,178.13 is: 13,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.17 : 43,348.73 = 9,178.13 : x
  2. Step 2: Convert to fraction form
    28,902.17/43,348.73 = 9,178.13/x
  3. Step 3: Cross multiply
    28,902.17x = 43,348.73 × 9,178.13
  4. Step 4: Simplify right side
    28,902.17x = 397,860,016.64
  5. Step 5: Solve for x
    x = 397,860,016.64/28,902.17
  6. Step 6: Final answer
    x = 13,765.75

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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.