Home / 10,224.25-15,335.52-2,828.80

Finding the Fourth Proportional to 10,224.25, 15,335.52 and 2,828.80

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Solution

The fourth proportional to 10,224.25, 15,335.52 and 2,828.80 is: 4,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.25 : 15,335.52 = 2,828.80 : x
  2. Step 2: Convert to fraction form
    10,224.25/15,335.52 = 2,828.80/x
  3. Step 3: Cross multiply
    10,224.25x = 15,335.52 × 2,828.80
  4. Step 4: Simplify right side
    10,224.25x = 43,381,118.98
  5. Step 5: Solve for x
    x = 43,381,118.98/10,224.25
  6. Step 6: Final answer
    x = 4,242.96

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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.