Home / 84,677.25-127,015.94-21,502.11

Finding the Fourth Proportional to 84,677.25, 127,015.94 and 21,502.11

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Solution

The fourth proportional to 84,677.25, 127,015.94 and 21,502.11 is: 32,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,677.25 : 127,015.94 = 21,502.11 : x
  2. Step 2: Convert to fraction form
    84,677.25/127,015.94 = 21,502.11/x
  3. Step 3: Cross multiply
    84,677.25x = 127,015.94 × 21,502.11
  4. Step 4: Simplify right side
    84,677.25x = 2,731,110,606.12
  5. Step 5: Solve for x
    x = 2,731,110,606.12/84,677.25
  6. Step 6: Final answer
    x = 32,253.18

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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.