Home / 26,985.12-37,238.22-15,047.88

Finding the Fourth Proportional to 26,985.12, 37,238.22 and 15,047.88

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Solution

The fourth proportional to 26,985.12, 37,238.22 and 15,047.88 is: 20,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.12 : 37,238.22 = 15,047.88 : x
  2. Step 2: Convert to fraction form
    26,985.12/37,238.22 = 15,047.88/x
  3. Step 3: Cross multiply
    26,985.12x = 37,238.22 × 15,047.88
  4. Step 4: Simplify right side
    26,985.12x = 560,356,265.97
  5. Step 5: Solve for x
    x = 560,356,265.97/26,985.12
  6. Step 6: Final answer
    x = 20,765.38

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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.