Home / 27,779.63-38,335.88-15,204.38

Finding the Fourth Proportional to 27,779.63, 38,335.88 and 15,204.38

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Solution

The fourth proportional to 27,779.63, 38,335.88 and 15,204.38 is: 20,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.63 : 38,335.88 = 15,204.38 : x
  2. Step 2: Convert to fraction form
    27,779.63/38,335.88 = 15,204.38/x
  3. Step 3: Cross multiply
    27,779.63x = 38,335.88 × 15,204.38
  4. Step 4: Simplify right side
    27,779.63x = 582,873,133.49
  5. Step 5: Solve for x
    x = 582,873,133.49/27,779.63
  6. Step 6: Final answer
    x = 20,982.04

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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.