Home / 25,476.70-38,220.45-7,705.90

Finding the Fourth Proportional to 25,476.70, 38,220.45 and 7,705.90

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Solution

The fourth proportional to 25,476.70, 38,220.45 and 7,705.90 is: 11,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.70 : 38,220.45 = 7,705.90 : x
  2. Step 2: Convert to fraction form
    25,476.70/38,220.45 = 7,705.90/x
  3. Step 3: Cross multiply
    25,476.70x = 38,220.45 × 7,705.90
  4. Step 4: Simplify right side
    25,476.70x = 294,522,965.66
  5. Step 5: Solve for x
    x = 294,522,965.66/25,476.70
  6. Step 6: Final answer
    x = 11,560.48

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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.