Home / 28,902.20-43,353.30-9,182.30

Finding the Fourth Proportional to 28,902.20, 43,353.30 and 9,182.30

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Solution

The fourth proportional to 28,902.20, 43,353.30 and 9,182.30 is: 13,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.20 : 43,353.30 = 9,182.30 : x
  2. Step 2: Convert to fraction form
    28,902.20/43,353.30 = 9,182.30/x
  3. Step 3: Cross multiply
    28,902.20x = 43,353.30 × 9,182.30
  4. Step 4: Simplify right side
    28,902.20x = 398,083,006.59
  5. Step 5: Solve for x
    x = 398,083,006.59/28,902.20
  6. Step 6: Final answer
    x = 13,773.45

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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.