Home / 28,084.19-42,137.75-18,094.16

Finding the Fourth Proportional to 28,084.19, 42,137.75 and 18,094.16

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Solution

The fourth proportional to 28,084.19, 42,137.75 and 18,094.16 is: 27,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.19 : 42,137.75 = 18,094.16 : x
  2. Step 2: Convert to fraction form
    28,084.19/42,137.75 = 18,094.16/x
  3. Step 3: Cross multiply
    28,084.19x = 42,137.75 × 18,094.16
  4. Step 4: Simplify right side
    28,084.19x = 762,446,889.38
  5. Step 5: Solve for x
    x = 762,446,889.38/28,084.19
  6. Step 6: Final answer
    x = 27,148.62

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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.