Home / 15,823.44-23,671.98-13,655.88

Finding the Fourth Proportional to 15,823.44, 23,671.98 and 13,655.88

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Solution

The fourth proportional to 15,823.44, 23,671.98 and 13,655.88 is: 20,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.44 : 23,671.98 = 13,655.88 : x
  2. Step 2: Convert to fraction form
    15,823.44/23,671.98 = 13,655.88/x
  3. Step 3: Cross multiply
    15,823.44x = 23,671.98 × 13,655.88
  4. Step 4: Simplify right side
    15,823.44x = 323,261,718.24
  5. Step 5: Solve for x
    x = 323,261,718.24/15,823.44
  6. Step 6: Final answer
    x = 20,429.29

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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.