Home / 27,931.80-41,874.14-12,124.92

Finding the Fourth Proportional to 27,931.80, 41,874.14 and 12,124.92

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Solution

The fourth proportional to 27,931.80, 41,874.14 and 12,124.92 is: 18,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.80 : 41,874.14 = 12,124.92 : x
  2. Step 2: Convert to fraction form
    27,931.80/41,874.14 = 12,124.92/x
  3. Step 3: Cross multiply
    27,931.80x = 41,874.14 × 12,124.92
  4. Step 4: Simplify right side
    27,931.80x = 507,720,597.57
  5. Step 5: Solve for x
    x = 507,720,597.57/27,931.80
  6. Step 6: Final answer
    x = 18,177.15

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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.