Home / 27,354.52-37,712.67-20,519.48

Finding the Fourth Proportional to 27,354.52, 37,712.67 and 20,519.48

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Solution

The fourth proportional to 27,354.52, 37,712.67 and 20,519.48 is: 28,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.52 : 37,712.67 = 20,519.48 : x
  2. Step 2: Convert to fraction form
    27,354.52/37,712.67 = 20,519.48/x
  3. Step 3: Cross multiply
    27,354.52x = 37,712.67 × 20,519.48
  4. Step 4: Simplify right side
    27,354.52x = 773,844,377.81
  5. Step 5: Solve for x
    x = 773,844,377.81/27,354.52
  6. Step 6: Final answer
    x = 28,289.45

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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.