Home / 27,065.24-37,350.80-15,129.92

Finding the Fourth Proportional to 27,065.24, 37,350.80 and 15,129.92

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Solution

The fourth proportional to 27,065.24, 37,350.80 and 15,129.92 is: 20,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.24 : 37,350.80 = 15,129.92 : x
  2. Step 2: Convert to fraction form
    27,065.24/37,350.80 = 15,129.92/x
  3. Step 3: Cross multiply
    27,065.24x = 37,350.80 × 15,129.92
  4. Step 4: Simplify right side
    27,065.24x = 565,114,615.94
  5. Step 5: Solve for x
    x = 565,114,615.94/27,065.24
  6. Step 6: Final answer
    x = 20,879.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.