Home / 28,825.60-39,778.68-16,250.08

Finding the Fourth Proportional to 28,825.60, 39,778.68 and 16,250.08

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Solution

The fourth proportional to 28,825.60, 39,778.68 and 16,250.08 is: 22,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.60 : 39,778.68 = 16,250.08 : x
  2. Step 2: Convert to fraction form
    28,825.60/39,778.68 = 16,250.08/x
  3. Step 3: Cross multiply
    28,825.60x = 39,778.68 × 16,250.08
  4. Step 4: Simplify right side
    28,825.60x = 646,406,732.29
  5. Step 5: Solve for x
    x = 646,406,732.29/28,825.60
  6. Step 6: Final answer
    x = 22,424.75

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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.