Home / 27,923.86-41,785.45-20,509.93

Finding the Fourth Proportional to 27,923.86, 41,785.45 and 20,509.93

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Solution

The fourth proportional to 27,923.86, 41,785.45 and 20,509.93 is: 30,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.86 : 41,785.45 = 20,509.93 : x
  2. Step 2: Convert to fraction form
    27,923.86/41,785.45 = 20,509.93/x
  3. Step 3: Cross multiply
    27,923.86x = 41,785.45 × 20,509.93
  4. Step 4: Simplify right side
    27,923.86x = 857,016,654.52
  5. Step 5: Solve for x
    x = 857,016,654.52/27,923.86
  6. Step 6: Final answer
    x = 30,691.20

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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.