Home / 25,675.16-38,512.80-6,955.31

Finding the Fourth Proportional to 25,675.16, 38,512.80 and 6,955.31

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Solution

The fourth proportional to 25,675.16, 38,512.80 and 6,955.31 is: 10,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.16 : 38,512.80 = 6,955.31 : x
  2. Step 2: Convert to fraction form
    25,675.16/38,512.80 = 6,955.31/x
  3. Step 3: Cross multiply
    25,675.16x = 38,512.80 × 6,955.31
  4. Step 4: Simplify right side
    25,675.16x = 267,868,462.97
  5. Step 5: Solve for x
    x = 267,868,462.97/25,675.16
  6. Step 6: Final answer
    x = 10,432.98

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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.