Home / 23,311.86-32,182.28-15,797.90

Finding the Fourth Proportional to 23,311.86, 32,182.28 and 15,797.90

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Solution

The fourth proportional to 23,311.86, 32,182.28 and 15,797.90 is: 21,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.86 : 32,182.28 = 15,797.90 : x
  2. Step 2: Convert to fraction form
    23,311.86/32,182.28 = 15,797.90/x
  3. Step 3: Cross multiply
    23,311.86x = 32,182.28 × 15,797.90
  4. Step 4: Simplify right side
    23,311.86x = 508,412,441.21
  5. Step 5: Solve for x
    x = 508,412,441.21/23,311.86
  6. Step 6: Final answer
    x = 21,809.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.