Home / 25,191.26-34,760.09-15,117.50

Finding the Fourth Proportional to 25,191.26, 34,760.09 and 15,117.50

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Solution

The fourth proportional to 25,191.26, 34,760.09 and 15,117.50 is: 20,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.26 : 34,760.09 = 15,117.50 : x
  2. Step 2: Convert to fraction form
    25,191.26/34,760.09 = 15,117.50/x
  3. Step 3: Cross multiply
    25,191.26x = 34,760.09 × 15,117.50
  4. Step 4: Simplify right side
    25,191.26x = 525,485,660.58
  5. Step 5: Solve for x
    x = 525,485,660.58/25,191.26
  6. Step 6: Final answer
    x = 20,859.84

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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.