Home / 28,034.97-42,027.87-13,248.15

Finding the Fourth Proportional to 28,034.97, 42,027.87 and 13,248.15

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Solution

The fourth proportional to 28,034.97, 42,027.87 and 13,248.15 is: 19,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.97 : 42,027.87 = 13,248.15 : x
  2. Step 2: Convert to fraction form
    28,034.97/42,027.87 = 13,248.15/x
  3. Step 3: Cross multiply
    28,034.97x = 42,027.87 × 13,248.15
  4. Step 4: Simplify right side
    28,034.97x = 556,791,525.94
  5. Step 5: Solve for x
    x = 556,791,525.94/28,034.97
  6. Step 6: Final answer
    x = 19,860.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.