Home / 27,623.47-38,142.87-22,519.79

Finding the Fourth Proportional to 27,623.47, 38,142.87 and 22,519.79

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Solution

The fourth proportional to 27,623.47, 38,142.87 and 22,519.79 is: 31,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.47 : 38,142.87 = 22,519.79 : x
  2. Step 2: Convert to fraction form
    27,623.47/38,142.87 = 22,519.79/x
  3. Step 3: Cross multiply
    27,623.47x = 38,142.87 × 22,519.79
  4. Step 4: Simplify right side
    27,623.47x = 858,969,422.40
  5. Step 5: Solve for x
    x = 858,969,422.40/27,623.47
  6. Step 6: Final answer
    x = 31,095.64

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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.