Home / 25,518.43-38,233.90-20,269.63

Finding the Fourth Proportional to 25,518.43, 38,233.90 and 20,269.63

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Solution

The fourth proportional to 25,518.43, 38,233.90 and 20,269.63 is: 30,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.43 : 38,233.90 = 20,269.63 : x
  2. Step 2: Convert to fraction form
    25,518.43/38,233.90 = 20,269.63/x
  3. Step 3: Cross multiply
    25,518.43x = 38,233.90 × 20,269.63
  4. Step 4: Simplify right side
    25,518.43x = 774,987,006.46
  5. Step 5: Solve for x
    x = 774,987,006.46/25,518.43
  6. Step 6: Final answer
    x = 30,369.70

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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.