Home / 28,732.93-39,645.51-16,793.93

Finding the Fourth Proportional to 28,732.93, 39,645.51 and 16,793.93

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Solution

The fourth proportional to 28,732.93, 39,645.51 and 16,793.93 is: 23,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.93 : 39,645.51 = 16,793.93 : x
  2. Step 2: Convert to fraction form
    28,732.93/39,645.51 = 16,793.93/x
  3. Step 3: Cross multiply
    28,732.93x = 39,645.51 × 16,793.93
  4. Step 4: Simplify right side
    28,732.93x = 665,803,919.75
  5. Step 5: Solve for x
    x = 665,803,919.75/28,732.93
  6. Step 6: Final answer
    x = 23,172.16

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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.