Home / 25,370.73-35,025.68-15,301.71

Finding the Fourth Proportional to 25,370.73, 35,025.68 and 15,301.71

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Solution

The fourth proportional to 25,370.73, 35,025.68 and 15,301.71 is: 21,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.73 : 35,025.68 = 15,301.71 : x
  2. Step 2: Convert to fraction form
    25,370.73/35,025.68 = 15,301.71/x
  3. Step 3: Cross multiply
    25,370.73x = 35,025.68 × 15,301.71
  4. Step 4: Simplify right side
    25,370.73x = 535,952,797.91
  5. Step 5: Solve for x
    x = 535,952,797.91/25,370.73
  6. Step 6: Final answer
    x = 21,124.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.