Home / 25,680.30-38,517.40-6,959.16

Finding the Fourth Proportional to 25,680.30, 38,517.40 and 6,959.16

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Solution

The fourth proportional to 25,680.30, 38,517.40 and 6,959.16 is: 10,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.30 : 38,517.40 = 6,959.16 : x
  2. Step 2: Convert to fraction form
    25,680.30/38,517.40 = 6,959.16/x
  3. Step 3: Cross multiply
    25,680.30x = 38,517.40 × 6,959.16
  4. Step 4: Simplify right side
    25,680.30x = 268,048,749.38
  5. Step 5: Solve for x
    x = 268,048,749.38/25,680.30
  6. Step 6: Final answer
    x = 10,437.91

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1.5x scale

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.