Home / 25,620.93-38,405.12-9,821.70

Finding the Fourth Proportional to 25,620.93, 38,405.12 and 9,821.70

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Solution

The fourth proportional to 25,620.93, 38,405.12 and 9,821.70 is: 14,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.93 : 38,405.12 = 9,821.70 : x
  2. Step 2: Convert to fraction form
    25,620.93/38,405.12 = 9,821.70/x
  3. Step 3: Cross multiply
    25,620.93x = 38,405.12 × 9,821.70
  4. Step 4: Simplify right side
    25,620.93x = 377,203,518.00
  5. Step 5: Solve for x
    x = 377,203,518.00/25,620.93
  6. Step 6: Final answer
    x = 14,722.48

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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.