Home / 28,014.88-38,691.12-26,278.24

Finding the Fourth Proportional to 28,014.88, 38,691.12 and 26,278.24

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Solution

The fourth proportional to 28,014.88, 38,691.12 and 26,278.24 is: 36,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.88 : 38,691.12 = 26,278.24 : x
  2. Step 2: Convert to fraction form
    28,014.88/38,691.12 = 26,278.24/x
  3. Step 3: Cross multiply
    28,014.88x = 38,691.12 × 26,278.24
  4. Step 4: Simplify right side
    28,014.88x = 1,016,734,537.23
  5. Step 5: Solve for x
    x = 1,016,734,537.23/28,014.88
  6. Step 6: Final answer
    x = 36,292.66

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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.