Home / 25,861.40-38,787.45-6,886.13

Finding the Fourth Proportional to 25,861.40, 38,787.45 and 6,886.13

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Solution

The fourth proportional to 25,861.40, 38,787.45 and 6,886.13 is: 10,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.40 : 38,787.45 = 6,886.13 : x
  2. Step 2: Convert to fraction form
    25,861.40/38,787.45 = 6,886.13/x
  3. Step 3: Cross multiply
    25,861.40x = 38,787.45 × 6,886.13
  4. Step 4: Simplify right side
    25,861.40x = 267,095,229.13
  5. Step 5: Solve for x
    x = 267,095,229.13/25,861.40
  6. Step 6: Final answer
    x = 10,327.95

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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.