Home / 27,984.64-38,620.42-16,047.88

Finding the Fourth Proportional to 27,984.64, 38,620.42 and 16,047.88

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Solution

The fourth proportional to 27,984.64, 38,620.42 and 16,047.88 is: 22,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.64 : 38,620.42 = 16,047.88 : x
  2. Step 2: Convert to fraction form
    27,984.64/38,620.42 = 16,047.88/x
  3. Step 3: Cross multiply
    27,984.64x = 38,620.42 × 16,047.88
  4. Step 4: Simplify right side
    27,984.64x = 619,775,865.71
  5. Step 5: Solve for x
    x = 619,775,865.71/27,984.64
  6. Step 6: Final answer
    x = 22,147.00

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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.