Home / 28,648.13-39,535.02-16,072.88

Finding the Fourth Proportional to 28,648.13, 39,535.02 and 16,072.88

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Solution

The fourth proportional to 28,648.13, 39,535.02 and 16,072.88 is: 22,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.13 : 39,535.02 = 16,072.88 : x
  2. Step 2: Convert to fraction form
    28,648.13/39,535.02 = 16,072.88/x
  3. Step 3: Cross multiply
    28,648.13x = 39,535.02 × 16,072.88
  4. Step 4: Simplify right side
    28,648.13x = 635,441,434.58
  5. Step 5: Solve for x
    x = 635,441,434.58/28,648.13
  6. Step 6: Final answer
    x = 22,180.91

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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.