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Finding the Fourth Proportional to 25,545.75, 35,258.02 and 16,916.73

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Solution

The fourth proportional to 25,545.75, 35,258.02 and 16,916.73 is: 23,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.75 : 35,258.02 = 16,916.73 : x
  2. Step 2: Convert to fraction form
    25,545.75/35,258.02 = 16,916.73/x
  3. Step 3: Cross multiply
    25,545.75x = 35,258.02 × 16,916.73
  4. Step 4: Simplify right side
    25,545.75x = 596,450,230.17
  5. Step 5: Solve for x
    x = 596,450,230.17/25,545.75
  6. Step 6: Final answer
    x = 23,348.31

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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.