Home / 28,226.50-42,343.85-15,071.69

Finding the Fourth Proportional to 28,226.50, 42,343.85 and 15,071.69

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Solution

The fourth proportional to 28,226.50, 42,343.85 and 15,071.69 is: 22,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.50 : 42,343.85 = 15,071.69 : x
  2. Step 2: Convert to fraction form
    28,226.50/42,343.85 = 15,071.69/x
  3. Step 3: Cross multiply
    28,226.50x = 42,343.85 × 15,071.69
  4. Step 4: Simplify right side
    28,226.50x = 638,193,380.61
  5. Step 5: Solve for x
    x = 638,193,380.61/28,226.50
  6. Step 6: Final answer
    x = 22,609.72

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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.