Home / 27,034.14-40,540.86-12,990.18

Finding the Fourth Proportional to 27,034.14, 40,540.86 and 12,990.18

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Solution

The fourth proportional to 27,034.14, 40,540.86 and 12,990.18 is: 19,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,034.14 : 40,540.86 = 12,990.18 : x
  2. Step 2: Convert to fraction form
    27,034.14/40,540.86 = 12,990.18/x
  3. Step 3: Cross multiply
    27,034.14x = 40,540.86 × 12,990.18
  4. Step 4: Simplify right side
    27,034.14x = 526,633,068.75
  5. Step 5: Solve for x
    x = 526,633,068.75/27,034.14
  6. Step 6: Final answer
    x = 19,480.30

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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.