Home / 20,897.23-31,363.35-19,583.62

Finding the Fourth Proportional to 20,897.23, 31,363.35 and 19,583.62

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Solution

The fourth proportional to 20,897.23, 31,363.35 and 19,583.62 is: 29,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897.23 : 31,363.35 = 19,583.62 : x
  2. Step 2: Convert to fraction form
    20,897.23/31,363.35 = 19,583.62/x
  3. Step 3: Cross multiply
    20,897.23x = 31,363.35 × 19,583.62
  4. Step 4: Simplify right side
    20,897.23x = 614,207,928.33
  5. Step 5: Solve for x
    x = 614,207,928.33/20,897.23
  6. Step 6: Final answer
    x = 29,391.83

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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.