Home / 25,908.40-38,861.65-8,377.75

Finding the Fourth Proportional to 25,908.40, 38,861.65 and 8,377.75

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Solution

The fourth proportional to 25,908.40, 38,861.65 and 8,377.75 is: 12,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.40 : 38,861.65 = 8,377.75 : x
  2. Step 2: Convert to fraction form
    25,908.40/38,861.65 = 8,377.75/x
  3. Step 3: Cross multiply
    25,908.40x = 38,861.65 × 8,377.75
  4. Step 4: Simplify right side
    25,908.40x = 325,573,188.29
  5. Step 5: Solve for x
    x = 325,573,188.29/25,908.40
  6. Step 6: Final answer
    x = 12,566.32

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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.