Home / 84,927.02-127,376.15-25,748.42

Finding the Fourth Proportional to 84,927.02, 127,376.15 and 25,748.42

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Solution

The fourth proportional to 84,927.02, 127,376.15 and 25,748.42 is: 38,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,927.02 : 127,376.15 = 25,748.42 : x
  2. Step 2: Convert to fraction form
    84,927.02/127,376.15 = 25,748.42/x
  3. Step 3: Cross multiply
    84,927.02x = 127,376.15 × 25,748.42
  4. Step 4: Simplify right side
    84,927.02x = 3,279,733,842.56
  5. Step 5: Solve for x
    x = 3,279,733,842.56/84,927.02
  6. Step 6: Final answer
    x = 38,618.26

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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.