Home / 26,498.68-36,570.21-15,171.73

Finding the Fourth Proportional to 26,498.68, 36,570.21 and 15,171.73

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Solution

The fourth proportional to 26,498.68, 36,570.21 and 15,171.73 is: 20,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.68 : 36,570.21 = 15,171.73 : x
  2. Step 2: Convert to fraction form
    26,498.68/36,570.21 = 15,171.73/x
  3. Step 3: Cross multiply
    26,498.68x = 36,570.21 × 15,171.73
  4. Step 4: Simplify right side
    26,498.68x = 554,833,352.16
  5. Step 5: Solve for x
    x = 554,833,352.16/26,498.68
  6. Step 6: Final answer
    x = 20,938.15

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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.