Home / 25,508.38-38,277.69-13,821.34

Finding the Fourth Proportional to 25,508.38, 38,277.69 and 13,821.34

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Solution

The fourth proportional to 25,508.38, 38,277.69 and 13,821.34 is: 20,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.38 : 38,277.69 = 13,821.34 : x
  2. Step 2: Convert to fraction form
    25,508.38/38,277.69 = 13,821.34/x
  3. Step 3: Cross multiply
    25,508.38x = 38,277.69 × 13,821.34
  4. Step 4: Simplify right side
    25,508.38x = 529,048,967.90
  5. Step 5: Solve for x
    x = 529,048,967.90/25,508.38
  6. Step 6: Final answer
    x = 20,740.20

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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.