Home / 55,327.78-82,949.13-28,645.16

Finding the Fourth Proportional to 55,327.78, 82,949.13 and 28,645.16

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Solution

The fourth proportional to 55,327.78, 82,949.13 and 28,645.16 is: 42,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.78 : 82,949.13 = 28,645.16 : x
  2. Step 2: Convert to fraction form
    55,327.78/82,949.13 = 28,645.16/x
  3. Step 3: Cross multiply
    55,327.78x = 82,949.13 × 28,645.16
  4. Step 4: Simplify right side
    55,327.78x = 2,376,091,100.71
  5. Step 5: Solve for x
    x = 2,376,091,100.71/55,327.78
  6. Step 6: Final answer
    x = 42,945.72

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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.