Home / 28,414.99-39,214.82-16,478.22

Finding the Fourth Proportional to 28,414.99, 39,214.82 and 16,478.22

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Solution

The fourth proportional to 28,414.99, 39,214.82 and 16,478.22 is: 22,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.99 : 39,214.82 = 16,478.22 : x
  2. Step 2: Convert to fraction form
    28,414.99/39,214.82 = 16,478.22/x
  3. Step 3: Cross multiply
    28,414.99x = 39,214.82 × 16,478.22
  4. Step 4: Simplify right side
    28,414.99x = 646,190,431.22
  5. Step 5: Solve for x
    x = 646,190,431.22/28,414.99
  6. Step 6: Final answer
    x = 22,741.18

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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.