Home / 72,824.38-109,262.68-28,482.96

Finding the Fourth Proportional to 72,824.38, 109,262.68 and 28,482.96

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Solution

The fourth proportional to 72,824.38, 109,262.68 and 28,482.96 is: 42,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,824.38 : 109,262.68 = 28,482.96 : x
  2. Step 2: Convert to fraction form
    72,824.38/109,262.68 = 28,482.96/x
  3. Step 3: Cross multiply
    72,824.38x = 109,262.68 × 28,482.96
  4. Step 4: Simplify right side
    72,824.38x = 3,112,124,543.93
  5. Step 5: Solve for x
    x = 3,112,124,543.93/72,824.38
  6. Step 6: Final answer
    x = 42,734.65

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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.