Home / 15,828.48-23,727.20-8,811.86

Finding the Fourth Proportional to 15,828.48, 23,727.20 and 8,811.86

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Solution

The fourth proportional to 15,828.48, 23,727.20 and 8,811.86 is: 13,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.48 : 23,727.20 = 8,811.86 : x
  2. Step 2: Convert to fraction form
    15,828.48/23,727.20 = 8,811.86/x
  3. Step 3: Cross multiply
    15,828.48x = 23,727.20 × 8,811.86
  4. Step 4: Simplify right side
    15,828.48x = 209,080,764.59
  5. Step 5: Solve for x
    x = 209,080,764.59/15,828.48
  6. Step 6: Final answer
    x = 13,209.15

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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.