Home / 28,672.39-39,575.42-16,101.19

Finding the Fourth Proportional to 28,672.39, 39,575.42 and 16,101.19

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Solution

The fourth proportional to 28,672.39, 39,575.42 and 16,101.19 is: 22,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.39 : 39,575.42 = 16,101.19 : x
  2. Step 2: Convert to fraction form
    28,672.39/39,575.42 = 16,101.19/x
  3. Step 3: Cross multiply
    28,672.39x = 39,575.42 × 16,101.19
  4. Step 4: Simplify right side
    28,672.39x = 637,211,356.75
  5. Step 5: Solve for x
    x = 637,211,356.75/28,672.39
  6. Step 6: Final answer
    x = 22,223.87

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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.