Home / 27,965.52-38,592.59-15,218.81

Finding the Fourth Proportional to 27,965.52, 38,592.59 and 15,218.81

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Solution

The fourth proportional to 27,965.52, 38,592.59 and 15,218.81 is: 21,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.52 : 38,592.59 = 15,218.81 : x
  2. Step 2: Convert to fraction form
    27,965.52/38,592.59 = 15,218.81/x
  3. Step 3: Cross multiply
    27,965.52x = 38,592.59 × 15,218.81
  4. Step 4: Simplify right side
    27,965.52x = 587,333,025.56
  5. Step 5: Solve for x
    x = 587,333,025.56/27,965.52
  6. Step 6: Final answer
    x = 21,002.04

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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.