Home / 52,009.97-77,982.14-28,652.81

Finding the Fourth Proportional to 52,009.97, 77,982.14 and 28,652.81

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Solution

The fourth proportional to 52,009.97, 77,982.14 and 28,652.81 is: 42,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,009.97 : 77,982.14 = 28,652.81 : x
  2. Step 2: Convert to fraction form
    52,009.97/77,982.14 = 28,652.81/x
  3. Step 3: Cross multiply
    52,009.97x = 77,982.14 × 28,652.81
  4. Step 4: Simplify right side
    52,009.97x = 2,234,407,122.53
  5. Step 5: Solve for x
    x = 2,234,407,122.53/52,009.97
  6. Step 6: Final answer
    x = 42,961.13

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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.