Home / 28,006.38-38,649.60-16,071.84

Finding the Fourth Proportional to 28,006.38, 38,649.60 and 16,071.84

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Solution

The fourth proportional to 28,006.38, 38,649.60 and 16,071.84 is: 22,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.38 : 38,649.60 = 16,071.84 : x
  2. Step 2: Convert to fraction form
    28,006.38/38,649.60 = 16,071.84/x
  3. Step 3: Cross multiply
    28,006.38x = 38,649.60 × 16,071.84
  4. Step 4: Simplify right side
    28,006.38x = 621,170,187.26
  5. Step 5: Solve for x
    x = 621,170,187.26/28,006.38
  6. Step 6: Final answer
    x = 22,179.60

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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.