Home / 28,732.65-39,655.80-16,793.67

Finding the Fourth Proportional to 28,732.65, 39,655.80 and 16,793.67

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Solution

The fourth proportional to 28,732.65, 39,655.80 and 16,793.67 is: 23,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.65 : 39,655.80 = 16,793.67 : x
  2. Step 2: Convert to fraction form
    28,732.65/39,655.80 = 16,793.67/x
  3. Step 3: Cross multiply
    28,732.65x = 39,655.80 × 16,793.67
  4. Step 4: Simplify right side
    28,732.65x = 665,966,418.79
  5. Step 5: Solve for x
    x = 665,966,418.79/28,732.65
  6. Step 6: Final answer
    x = 23,178.04

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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.