Home / 65,381.76-97,986.56-25,917.36

Finding the Fourth Proportional to 65,381.76, 97,986.56 and 25,917.36

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Solution

The fourth proportional to 65,381.76, 97,986.56 and 25,917.36 is: 38,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,381.76 : 97,986.56 = 25,917.36 : x
  2. Step 2: Convert to fraction form
    65,381.76/97,986.56 = 25,917.36/x
  3. Step 3: Cross multiply
    65,381.76x = 97,986.56 × 25,917.36
  4. Step 4: Simplify right side
    65,381.76x = 2,539,552,950.68
  5. Step 5: Solve for x
    x = 2,539,552,950.68/65,381.76
  6. Step 6: Final answer
    x = 38,841.92

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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.