Home / 84,727.08-127,001.94-28,547.78

Finding the Fourth Proportional to 84,727.08, 127,001.94 and 28,547.78

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Solution

The fourth proportional to 84,727.08, 127,001.94 and 28,547.78 is: 42,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,727.08 : 127,001.94 = 28,547.78 : x
  2. Step 2: Convert to fraction form
    84,727.08/127,001.94 = 28,547.78/x
  3. Step 3: Cross multiply
    84,727.08x = 127,001.94 × 28,547.78
  4. Step 4: Simplify right side
    84,727.08x = 3,625,623,442.69
  5. Step 5: Solve for x
    x = 3,625,623,442.69/84,727.08
  6. Step 6: Final answer
    x = 42,791.79

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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.