Home / 25,725.76-38,578.80-9,082.68

Finding the Fourth Proportional to 25,725.76, 38,578.80 and 9,082.68

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Solution

The fourth proportional to 25,725.76, 38,578.80 and 9,082.68 is: 13,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.76 : 38,578.80 = 9,082.68 : x
  2. Step 2: Convert to fraction form
    25,725.76/38,578.80 = 9,082.68/x
  3. Step 3: Cross multiply
    25,725.76x = 38,578.80 × 9,082.68
  4. Step 4: Simplify right side
    25,725.76x = 350,398,895.18
  5. Step 5: Solve for x
    x = 350,398,895.18/25,725.76
  6. Step 6: Final answer
    x = 13,620.55

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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.