Home / 25,928.79-38,891.30-10,130.86

Finding the Fourth Proportional to 25,928.79, 38,891.30 and 10,130.86

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Solution

The fourth proportional to 25,928.79, 38,891.30 and 10,130.86 is: 15,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,928.79 : 38,891.30 = 10,130.86 : x
  2. Step 2: Convert to fraction form
    25,928.79/38,891.30 = 10,130.86/x
  3. Step 3: Cross multiply
    25,928.79x = 38,891.30 × 10,130.86
  4. Step 4: Simplify right side
    25,928.79x = 394,002,315.52
  5. Step 5: Solve for x
    x = 394,002,315.52/25,928.79
  6. Step 6: Final answer
    x = 15,195.55

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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.