Home / 84,825.93-127,243.28-21,646.61

Finding the Fourth Proportional to 84,825.93, 127,243.28 and 21,646.61

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Solution

The fourth proportional to 84,825.93, 127,243.28 and 21,646.61 is: 32,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,825.93 : 127,243.28 = 21,646.61 : x
  2. Step 2: Convert to fraction form
    84,825.93/127,243.28 = 21,646.61/x
  3. Step 3: Cross multiply
    84,825.93x = 127,243.28 × 21,646.61
  4. Step 4: Simplify right side
    84,825.93x = 2,754,385,657.28
  5. Step 5: Solve for x
    x = 2,754,385,657.28/84,825.93
  6. Step 6: Final answer
    x = 32,471.03

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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.