Home / 27,754.64-38,302.32-15,179.39

Finding the Fourth Proportional to 27,754.64, 38,302.32 and 15,179.39

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Solution

The fourth proportional to 27,754.64, 38,302.32 and 15,179.39 is: 20,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.64 : 38,302.32 = 15,179.39 : x
  2. Step 2: Convert to fraction form
    27,754.64/38,302.32 = 15,179.39/x
  3. Step 3: Cross multiply
    27,754.64x = 38,302.32 × 15,179.39
  4. Step 4: Simplify right side
    27,754.64x = 581,405,820.20
  5. Step 5: Solve for x
    x = 581,405,820.20/27,754.64
  6. Step 6: Final answer
    x = 20,948.06

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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.