Home / 18,828.78-28,242.81-4,597.48

Finding the Fourth Proportional to 18,828.78, 28,242.81 and 4,597.48

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Solution

The fourth proportional to 18,828.78, 28,242.81 and 4,597.48 is: 6,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.78 : 28,242.81 = 4,597.48 : x
  2. Step 2: Convert to fraction form
    18,828.78/28,242.81 = 4,597.48/x
  3. Step 3: Cross multiply
    18,828.78x = 28,242.81 × 4,597.48
  4. Step 4: Simplify right side
    18,828.78x = 129,845,789.42
  5. Step 5: Solve for x
    x = 129,845,789.42/18,828.78
  6. Step 6: Final answer
    x = 6,896.14

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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.