Home / 25,873.28-38,817.48-8,342.72

Finding the Fourth Proportional to 25,873.28, 38,817.48 and 8,342.72

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Solution

The fourth proportional to 25,873.28, 38,817.48 and 8,342.72 is: 12,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,873.28 : 38,817.48 = 8,342.72 : x
  2. Step 2: Convert to fraction form
    25,873.28/38,817.48 = 8,342.72/x
  3. Step 3: Cross multiply
    25,873.28x = 38,817.48 × 8,342.72
  4. Step 4: Simplify right side
    25,873.28x = 323,843,366.75
  5. Step 5: Solve for x
    x = 323,843,366.75/25,873.28
  6. Step 6: Final answer
    x = 12,516.52

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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.