Home / 28,691.15-39,593.48-16,756.34

Finding the Fourth Proportional to 28,691.15, 39,593.48 and 16,756.34

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Solution

The fourth proportional to 28,691.15, 39,593.48 and 16,756.34 is: 23,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.15 : 39,593.48 = 16,756.34 : x
  2. Step 2: Convert to fraction form
    28,691.15/39,593.48 = 16,756.34/x
  3. Step 3: Cross multiply
    28,691.15x = 39,593.48 × 16,756.34
  4. Step 4: Simplify right side
    28,691.15x = 663,441,530.91
  5. Step 5: Solve for x
    x = 663,441,530.91/28,691.15
  6. Step 6: Final answer
    x = 23,123.56

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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.