Home / 27,002.52-40,512.66-12,777.11

Finding the Fourth Proportional to 27,002.52, 40,512.66 and 12,777.11

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Solution

The fourth proportional to 27,002.52, 40,512.66 and 12,777.11 is: 19,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,002.52 : 40,512.66 = 12,777.11 : x
  2. Step 2: Convert to fraction form
    27,002.52/40,512.66 = 12,777.11/x
  3. Step 3: Cross multiply
    27,002.52x = 40,512.66 × 12,777.11
  4. Step 4: Simplify right side
    27,002.52x = 517,634,510.65
  5. Step 5: Solve for x
    x = 517,634,510.65/27,002.52
  6. Step 6: Final answer
    x = 19,169.86

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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.