Home / 28,277.68-39,020.25-16,344.85

Finding the Fourth Proportional to 28,277.68, 39,020.25 and 16,344.85

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Solution

The fourth proportional to 28,277.68, 39,020.25 and 16,344.85 is: 22,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.68 : 39,020.25 = 16,344.85 : x
  2. Step 2: Convert to fraction form
    28,277.68/39,020.25 = 16,344.85/x
  3. Step 3: Cross multiply
    28,277.68x = 39,020.25 × 16,344.85
  4. Step 4: Simplify right side
    28,277.68x = 637,780,133.21
  5. Step 5: Solve for x
    x = 637,780,133.21/28,277.68
  6. Step 6: Final answer
    x = 22,554.19

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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.