Home / 20,916.01-31,348.50-16,006.20

Finding the Fourth Proportional to 20,916.01, 31,348.50 and 16,006.20

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Solution

The fourth proportional to 20,916.01, 31,348.50 and 16,006.20 is: 23,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,916.01 : 31,348.50 = 16,006.20 : x
  2. Step 2: Convert to fraction form
    20,916.01/31,348.50 = 16,006.20/x
  3. Step 3: Cross multiply
    20,916.01x = 31,348.50 × 16,006.20
  4. Step 4: Simplify right side
    20,916.01x = 501,770,360.70
  5. Step 5: Solve for x
    x = 501,770,360.70/20,916.01
  6. Step 6: Final answer
    x = 23,989.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.