Home / 28,522.85-39,363.01-16,425.13

Finding the Fourth Proportional to 28,522.85, 39,363.01 and 16,425.13

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Solution

The fourth proportional to 28,522.85, 39,363.01 and 16,425.13 is: 22,667.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.85 : 39,363.01 = 16,425.13 : x
  2. Step 2: Convert to fraction form
    28,522.85/39,363.01 = 16,425.13/x
  3. Step 3: Cross multiply
    28,522.85x = 39,363.01 × 16,425.13
  4. Step 4: Simplify right side
    28,522.85x = 646,542,556.44
  5. Step 5: Solve for x
    x = 646,542,556.44/28,522.85
  6. Step 6: Final answer
    x = 22,667.53

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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.