Home / 28,094.14-42,129.51-11,442.88

Finding the Fourth Proportional to 28,094.14, 42,129.51 and 11,442.88

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Solution

The fourth proportional to 28,094.14, 42,129.51 and 11,442.88 is: 17,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.14 : 42,129.51 = 11,442.88 : x
  2. Step 2: Convert to fraction form
    28,094.14/42,129.51 = 11,442.88/x
  3. Step 3: Cross multiply
    28,094.14x = 42,129.51 × 11,442.88
  4. Step 4: Simplify right side
    28,094.14x = 482,082,927.39
  5. Step 5: Solve for x
    x = 482,082,927.39/28,094.14
  6. Step 6: Final answer
    x = 17,159.55

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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.