Home / 25,126.40-37,718.40-15,276.80

Finding the Fourth Proportional to 25,126.40, 37,718.40 and 15,276.80

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Solution

The fourth proportional to 25,126.40, 37,718.40 and 15,276.80 is: 22,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126.40 : 37,718.40 = 15,276.80 : x
  2. Step 2: Convert to fraction form
    25,126.40/37,718.40 = 15,276.80/x
  3. Step 3: Cross multiply
    25,126.40x = 37,718.40 × 15,276.80
  4. Step 4: Simplify right side
    25,126.40x = 576,216,453.12
  5. Step 5: Solve for x
    x = 576,216,453.12/25,126.40
  6. Step 6: Final answer
    x = 22,932.71

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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.