Home / 20,593.58-28,422.18-13,040.60

Finding the Fourth Proportional to 20,593.58, 28,422.18 and 13,040.60

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Solution

The fourth proportional to 20,593.58, 28,422.18 and 13,040.60 is: 17,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.58 : 28,422.18 = 13,040.60 : x
  2. Step 2: Convert to fraction form
    20,593.58/28,422.18 = 13,040.60/x
  3. Step 3: Cross multiply
    20,593.58x = 28,422.18 × 13,040.60
  4. Step 4: Simplify right side
    20,593.58x = 370,642,351.56
  5. Step 5: Solve for x
    x = 370,642,351.56/20,593.58
  6. Step 6: Final answer
    x = 17,997.95

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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.