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Finding the Fourth Proportional to 15,841.44, 23,751.36 and 8,035.20

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Solution

The fourth proportional to 15,841.44, 23,751.36 and 8,035.20 is: 12,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.44 : 23,751.36 = 8,035.20 : x
  2. Step 2: Convert to fraction form
    15,841.44/23,751.36 = 8,035.20/x
  3. Step 3: Cross multiply
    15,841.44x = 23,751.36 × 8,035.20
  4. Step 4: Simplify right side
    15,841.44x = 190,846,927.87
  5. Step 5: Solve for x
    x = 190,846,927.87/15,841.44
  6. Step 6: Final answer
    x = 12,047.32

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1.5x scale

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.