Home / 27,688.71-41,539.65-8,968.75

Finding the Fourth Proportional to 27,688.71, 41,539.65 and 8,968.75

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Solution

The fourth proportional to 27,688.71, 41,539.65 and 8,968.75 is: 13,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.71 : 41,539.65 = 8,968.75 : x
  2. Step 2: Convert to fraction form
    27,688.71/41,539.65 = 8,968.75/x
  3. Step 3: Cross multiply
    27,688.71x = 41,539.65 × 8,968.75
  4. Step 4: Simplify right side
    27,688.71x = 372,558,735.94
  5. Step 5: Solve for x
    x = 372,558,735.94/27,688.71
  6. Step 6: Final answer
    x = 13,455.26

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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.