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Finding the Fourth Proportional to 18,684, 28,026.16 and 4,832.16

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Solution

The fourth proportional to 18,684, 28,026.16 and 4,832.16 is: 7,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684 : 28,026.16 = 4,832.16 : x
  2. Step 2: Convert to fraction form
    18,684/28,026.16 = 4,832.16/x
  3. Step 3: Cross multiply
    18,684x = 28,026.16 × 4,832.16
  4. Step 4: Simplify right side
    18,684x = 135,426,889.31
  5. Step 5: Solve for x
    x = 135,426,889.31/18,684
  6. Step 6: Final answer
    x = 7,248.28

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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.