Home / 28,838.67-39,801.12-16,912.23

Finding the Fourth Proportional to 28,838.67, 39,801.12 and 16,912.23

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Solution

The fourth proportional to 28,838.67, 39,801.12 and 16,912.23 is: 23,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.67 : 39,801.12 = 16,912.23 : x
  2. Step 2: Convert to fraction form
    28,838.67/39,801.12 = 16,912.23/x
  3. Step 3: Cross multiply
    28,838.67x = 39,801.12 × 16,912.23
  4. Step 4: Simplify right side
    28,838.67x = 673,125,695.70
  5. Step 5: Solve for x
    x = 673,125,695.70/28,838.67
  6. Step 6: Final answer
    x = 23,341.08

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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.