Home / 28,575.33-39,671.49-27,719.97

Finding the Fourth Proportional to 28,575.33, 39,671.49 and 27,719.97

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Solution

The fourth proportional to 28,575.33, 39,671.49 and 27,719.97 is: 38,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.33 : 39,671.49 = 27,719.97 : x
  2. Step 2: Convert to fraction form
    28,575.33/39,671.49 = 27,719.97/x
  3. Step 3: Cross multiply
    28,575.33x = 39,671.49 × 27,719.97
  4. Step 4: Simplify right side
    28,575.33x = 1,099,692,512.66
  5. Step 5: Solve for x
    x = 1,099,692,512.66/28,575.33
  6. Step 6: Final answer
    x = 38,483.98

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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.