Home / 27,542.88-38,009.76-15,606.72

Finding the Fourth Proportional to 27,542.88, 38,009.76 and 15,606.72

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Solution

The fourth proportional to 27,542.88, 38,009.76 and 15,606.72 is: 21,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.88 : 38,009.76 = 15,606.72 : x
  2. Step 2: Convert to fraction form
    27,542.88/38,009.76 = 15,606.72/x
  3. Step 3: Cross multiply
    27,542.88x = 38,009.76 × 15,606.72
  4. Step 4: Simplify right side
    27,542.88x = 593,207,681.59
  5. Step 5: Solve for x
    x = 593,207,681.59/27,542.88
  6. Step 6: Final answer
    x = 21,537.61

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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.