Home / 65,915.29-98,832.70-25,886.31

Finding the Fourth Proportional to 65,915.29, 98,832.70 and 25,886.31

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Solution

The fourth proportional to 65,915.29, 98,832.70 and 25,886.31 is: 38,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,915.29 : 98,832.70 = 25,886.31 : x
  2. Step 2: Convert to fraction form
    65,915.29/98,832.70 = 25,886.31/x
  3. Step 3: Cross multiply
    65,915.29x = 98,832.70 × 25,886.31
  4. Step 4: Simplify right side
    65,915.29x = 2,558,413,910.34
  5. Step 5: Solve for x
    x = 2,558,413,910.34/65,915.29
  6. Step 6: Final answer
    x = 38,813.66

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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.