Home / 27,030.11-40,545.16-12,238.70

Finding the Fourth Proportional to 27,030.11, 40,545.16 and 12,238.70

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Solution

The fourth proportional to 27,030.11, 40,545.16 and 12,238.70 is: 18,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.11 : 40,545.16 = 12,238.70 : x
  2. Step 2: Convert to fraction form
    27,030.11/40,545.16 = 12,238.70/x
  3. Step 3: Cross multiply
    27,030.11x = 40,545.16 × 12,238.70
  4. Step 4: Simplify right side
    27,030.11x = 496,219,846.97
  5. Step 5: Solve for x
    x = 496,219,846.97/27,030.11
  6. Step 6: Final answer
    x = 18,358.04

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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.