Home / 20,926.24-31,227.56-18,599.20

Finding the Fourth Proportional to 20,926.24, 31,227.56 and 18,599.20

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Solution

The fourth proportional to 20,926.24, 31,227.56 and 18,599.20 is: 27,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.24 : 31,227.56 = 18,599.20 : x
  2. Step 2: Convert to fraction form
    20,926.24/31,227.56 = 18,599.20/x
  3. Step 3: Cross multiply
    20,926.24x = 31,227.56 × 18,599.20
  4. Step 4: Simplify right side
    20,926.24x = 580,807,633.95
  5. Step 5: Solve for x
    x = 580,807,633.95/20,926.24
  6. Step 6: Final answer
    x = 27,754.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.