Home / 25,162.80-34,726.60-15,091.62

Finding the Fourth Proportional to 25,162.80, 34,726.60 and 15,091.62

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Solution

The fourth proportional to 25,162.80, 34,726.60 and 15,091.62 is: 20,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.80 : 34,726.60 = 15,091.62 : x
  2. Step 2: Convert to fraction form
    25,162.80/34,726.60 = 15,091.62/x
  3. Step 3: Cross multiply
    25,162.80x = 34,726.60 × 15,091.62
  4. Step 4: Simplify right side
    25,162.80x = 524,080,651.09
  5. Step 5: Solve for x
    x = 524,080,651.09/25,162.80
  6. Step 6: Final answer
    x = 20,827.60

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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.