Home / 84,828.60-127,257.30-25,663.80

Finding the Fourth Proportional to 84,828.60, 127,257.30 and 25,663.80

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Solution

The fourth proportional to 84,828.60, 127,257.30 and 25,663.80 is: 38,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,828.60 : 127,257.30 = 25,663.80 : x
  2. Step 2: Convert to fraction form
    84,828.60/127,257.30 = 25,663.80/x
  3. Step 3: Cross multiply
    84,828.60x = 127,257.30 × 25,663.80
  4. Step 4: Simplify right side
    84,828.60x = 3,265,905,895.74
  5. Step 5: Solve for x
    x = 3,265,905,895.74/84,828.60
  6. Step 6: Final answer
    x = 38,500.06

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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.