Home / 27,542.30-38,007.15-15,606.86

Finding the Fourth Proportional to 27,542.30, 38,007.15 and 15,606.86

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Solution

The fourth proportional to 27,542.30, 38,007.15 and 15,606.86 is: 21,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.30 : 38,007.15 = 15,606.86 : x
  2. Step 2: Convert to fraction form
    27,542.30/38,007.15 = 15,606.86/x
  3. Step 3: Cross multiply
    27,542.30x = 38,007.15 × 15,606.86
  4. Step 4: Simplify right side
    27,542.30x = 593,172,269.05
  5. Step 5: Solve for x
    x = 593,172,269.05/27,542.30
  6. Step 6: Final answer
    x = 21,536.77

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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.