Home / 25,948.89-38,916.86-8,423.73

Finding the Fourth Proportional to 25,948.89, 38,916.86 and 8,423.73

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Solution

The fourth proportional to 25,948.89, 38,916.86 and 8,423.73 is: 12,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.89 : 38,916.86 = 8,423.73 : x
  2. Step 2: Convert to fraction form
    25,948.89/38,916.86 = 8,423.73/x
  3. Step 3: Cross multiply
    25,948.89x = 38,916.86 × 8,423.73
  4. Step 4: Simplify right side
    25,948.89x = 327,825,078.97
  5. Step 5: Solve for x
    x = 327,825,078.97/25,948.89
  6. Step 6: Final answer
    x = 12,633.49

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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.