Home / 28,675.50-39,572.19-16,100.52

Finding the Fourth Proportional to 28,675.50, 39,572.19 and 16,100.52

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Solution

The fourth proportional to 28,675.50, 39,572.19 and 16,100.52 is: 22,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.50 : 39,572.19 = 16,100.52 : x
  2. Step 2: Convert to fraction form
    28,675.50/39,572.19 = 16,100.52/x
  3. Step 3: Cross multiply
    28,675.50x = 39,572.19 × 16,100.52
  4. Step 4: Simplify right side
    28,675.50x = 637,132,836.54
  5. Step 5: Solve for x
    x = 637,132,836.54/28,675.50
  6. Step 6: Final answer
    x = 22,218.72

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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.