Home / 28,351.11-39,111.45-17,000.93

Finding the Fourth Proportional to 28,351.11, 39,111.45 and 17,000.93

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Solution

The fourth proportional to 28,351.11, 39,111.45 and 17,000.93 is: 23,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.11 : 39,111.45 = 17,000.93 : x
  2. Step 2: Convert to fraction form
    28,351.11/39,111.45 = 17,000.93/x
  3. Step 3: Cross multiply
    28,351.11x = 39,111.45 × 17,000.93
  4. Step 4: Simplify right side
    28,351.11x = 664,930,812.56
  5. Step 5: Solve for x
    x = 664,930,812.56/28,351.11
  6. Step 6: Final answer
    x = 23,453.43

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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.