Home / 28,102.68-38,959.27-26,604.56

Finding the Fourth Proportional to 28,102.68, 38,959.27 and 26,604.56

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Solution

The fourth proportional to 28,102.68, 38,959.27 and 26,604.56 is: 36,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,102.68 : 38,959.27 = 26,604.56 : x
  2. Step 2: Convert to fraction form
    28,102.68/38,959.27 = 26,604.56/x
  3. Step 3: Cross multiply
    28,102.68x = 38,959.27 × 26,604.56
  4. Step 4: Simplify right side
    28,102.68x = 1,036,494,236.27
  5. Step 5: Solve for x
    x = 1,036,494,236.27/28,102.68
  6. Step 6: Final answer
    x = 36,882.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.