Home / 28,545.78-39,383.55-16,599.29

Finding the Fourth Proportional to 28,545.78, 39,383.55 and 16,599.29

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Solution

The fourth proportional to 28,545.78, 39,383.55 and 16,599.29 is: 22,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545.78 : 39,383.55 = 16,599.29 : x
  2. Step 2: Convert to fraction form
    28,545.78/39,383.55 = 16,599.29/x
  3. Step 3: Cross multiply
    28,545.78x = 39,383.55 × 16,599.29
  4. Step 4: Simplify right side
    28,545.78x = 653,738,770.76
  5. Step 5: Solve for x
    x = 653,738,770.76/28,545.78
  6. Step 6: Final answer
    x = 22,901.42

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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.