Home / 16,442.16-24,659.60-4,752.80

Finding the Fourth Proportional to 16,442.16, 24,659.60 and 4,752.80

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Solution

The fourth proportional to 16,442.16, 24,659.60 and 4,752.80 is: 7,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.16 : 24,659.60 = 4,752.80 : x
  2. Step 2: Convert to fraction form
    16,442.16/24,659.60 = 4,752.80/x
  3. Step 3: Cross multiply
    16,442.16x = 24,659.60 × 4,752.80
  4. Step 4: Simplify right side
    16,442.16x = 117,202,146.88
  5. Step 5: Solve for x
    x = 117,202,146.88/16,442.16
  6. Step 6: Final answer
    x = 7,128.15

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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.