Home / 28,902.19-43,353.29-8,125.69

Finding the Fourth Proportional to 28,902.19, 43,353.29 and 8,125.69

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Solution

The fourth proportional to 28,902.19, 43,353.29 and 8,125.69 is: 12,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.19 : 43,353.29 = 8,125.69 : x
  2. Step 2: Convert to fraction form
    28,902.19/43,353.29 = 8,125.69/x
  3. Step 3: Cross multiply
    28,902.19x = 43,353.29 × 8,125.69
  4. Step 4: Simplify right side
    28,902.19x = 352,275,306.95
  5. Step 5: Solve for x
    x = 352,275,306.95/28,902.19
  6. Step 6: Final answer
    x = 12,188.53

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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.