Home / 27,750.88-38,296.02-15,175.72

Finding the Fourth Proportional to 27,750.88, 38,296.02 and 15,175.72

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Solution

The fourth proportional to 27,750.88, 38,296.02 and 15,175.72 is: 20,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.88 : 38,296.02 = 15,175.72 : x
  2. Step 2: Convert to fraction form
    27,750.88/38,296.02 = 15,175.72/x
  3. Step 3: Cross multiply
    27,750.88x = 38,296.02 × 15,175.72
  4. Step 4: Simplify right side
    27,750.88x = 581,169,676.63
  5. Step 5: Solve for x
    x = 581,169,676.63/27,750.88
  6. Step 6: Final answer
    x = 20,942.39

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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.