Home / 27,036.40-40,522.92-12,228.08

Finding the Fourth Proportional to 27,036.40, 40,522.92 and 12,228.08

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Solution

The fourth proportional to 27,036.40, 40,522.92 and 12,228.08 is: 18,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.40 : 40,522.92 = 12,228.08 : x
  2. Step 2: Convert to fraction form
    27,036.40/40,522.92 = 12,228.08/x
  3. Step 3: Cross multiply
    27,036.40x = 40,522.92 × 12,228.08
  4. Step 4: Simplify right side
    27,036.40x = 495,517,507.59
  5. Step 5: Solve for x
    x = 495,517,507.59/27,036.40
  6. Step 6: Final answer
    x = 18,327.79

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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.