Home / 65,780.28-98,653.98-25,807.38

Finding the Fourth Proportional to 65,780.28, 98,653.98 and 25,807.38

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Solution

The fourth proportional to 65,780.28, 98,653.98 and 25,807.38 is: 38,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,780.28 : 98,653.98 = 25,807.38 : x
  2. Step 2: Convert to fraction form
    65,780.28/98,653.98 = 25,807.38/x
  3. Step 3: Cross multiply
    65,780.28x = 98,653.98 × 25,807.38
  4. Step 4: Simplify right side
    65,780.28x = 2,546,000,750.37
  5. Step 5: Solve for x
    x = 2,546,000,750.37/65,780.28
  6. Step 6: Final answer
    x = 38,704.62

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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.