Home / 28,646.38-39,532.14-16,071.12

Finding the Fourth Proportional to 28,646.38, 39,532.14 and 16,071.12

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Solution

The fourth proportional to 28,646.38, 39,532.14 and 16,071.12 is: 22,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.38 : 39,532.14 = 16,071.12 : x
  2. Step 2: Convert to fraction form
    28,646.38/39,532.14 = 16,071.12/x
  3. Step 3: Cross multiply
    28,646.38x = 39,532.14 × 16,071.12
  4. Step 4: Simplify right side
    28,646.38x = 635,325,765.80
  5. Step 5: Solve for x
    x = 635,325,765.80/28,646.38
  6. Step 6: Final answer
    x = 22,178.22

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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.