Home / 25,582.98-38,351.88-9,989.70

Finding the Fourth Proportional to 25,582.98, 38,351.88 and 9,989.70

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Solution

The fourth proportional to 25,582.98, 38,351.88 and 9,989.70 is: 14,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.98 : 38,351.88 = 9,989.70 : x
  2. Step 2: Convert to fraction form
    25,582.98/38,351.88 = 9,989.70/x
  3. Step 3: Cross multiply
    25,582.98x = 38,351.88 × 9,989.70
  4. Step 4: Simplify right side
    25,582.98x = 383,123,775.64
  5. Step 5: Solve for x
    x = 383,123,775.64/25,582.98
  6. Step 6: Final answer
    x = 14,975.73

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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.