Home / 25,860.68-38,790.23-7,141.85

Finding the Fourth Proportional to 25,860.68, 38,790.23 and 7,141.85

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Solution

The fourth proportional to 25,860.68, 38,790.23 and 7,141.85 is: 10,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.68 : 38,790.23 = 7,141.85 : x
  2. Step 2: Convert to fraction form
    25,860.68/38,790.23 = 7,141.85/x
  3. Step 3: Cross multiply
    25,860.68x = 38,790.23 × 7,141.85
  4. Step 4: Simplify right side
    25,860.68x = 277,033,774.47
  5. Step 5: Solve for x
    x = 277,033,774.47/25,860.68
  6. Step 6: Final answer
    x = 10,712.55

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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.