Home / 28,401.54-39,194.28-16,471.96

Finding the Fourth Proportional to 28,401.54, 39,194.28 and 16,471.96

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Solution

The fourth proportional to 28,401.54, 39,194.28 and 16,471.96 is: 22,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.54 : 39,194.28 = 16,471.96 : x
  2. Step 2: Convert to fraction form
    28,401.54/39,194.28 = 16,471.96/x
  3. Step 3: Cross multiply
    28,401.54x = 39,194.28 × 16,471.96
  4. Step 4: Simplify right side
    28,401.54x = 645,606,514.40
  5. Step 5: Solve for x
    x = 645,606,514.40/28,401.54
  6. Step 6: Final answer
    x = 22,731.39

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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.