Home / 25,948.20-38,927.76-8,416.66

Finding the Fourth Proportional to 25,948.20, 38,927.76 and 8,416.66

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Solution

The fourth proportional to 25,948.20, 38,927.76 and 8,416.66 is: 12,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.20 : 38,927.76 = 8,416.66 : x
  2. Step 2: Convert to fraction form
    25,948.20/38,927.76 = 8,416.66/x
  3. Step 3: Cross multiply
    25,948.20x = 38,927.76 × 8,416.66
  4. Step 4: Simplify right side
    25,948.20x = 327,641,623.16
  5. Step 5: Solve for x
    x = 327,641,623.16/25,948.20
  6. Step 6: Final answer
    x = 12,626.76

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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.