Home / 18,688.17-28,027.48-5,537.47

Finding the Fourth Proportional to 18,688.17, 28,027.48 and 5,537.47

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Solution

The fourth proportional to 18,688.17, 28,027.48 and 5,537.47 is: 8,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.17 : 28,027.48 = 5,537.47 : x
  2. Step 2: Convert to fraction form
    18,688.17/28,027.48 = 5,537.47/x
  3. Step 3: Cross multiply
    18,688.17x = 28,027.48 × 5,537.47
  4. Step 4: Simplify right side
    18,688.17x = 155,201,329.68
  5. Step 5: Solve for x
    x = 155,201,329.68/18,688.17
  6. Step 6: Final answer
    x = 8,304.79

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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.