Home / 28,239.68-39,149.27-26,741.68

Finding the Fourth Proportional to 28,239.68, 39,149.27 and 26,741.68

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Solution

The fourth proportional to 28,239.68, 39,149.27 and 26,741.68 is: 37,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.68 : 39,149.27 = 26,741.68 : x
  2. Step 2: Convert to fraction form
    28,239.68/39,149.27 = 26,741.68/x
  3. Step 3: Cross multiply
    28,239.68x = 39,149.27 × 26,741.68
  4. Step 4: Simplify right side
    28,239.68x = 1,046,917,250.57
  5. Step 5: Solve for x
    x = 1,046,917,250.57/28,239.68
  6. Step 6: Final answer
    x = 37,072.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.