Home / 27,688.21-41,538.90-8,968.25

Finding the Fourth Proportional to 27,688.21, 41,538.90 and 8,968.25

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Solution

The fourth proportional to 27,688.21, 41,538.90 and 8,968.25 is: 13,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.21 : 41,538.90 = 8,968.25 : x
  2. Step 2: Convert to fraction form
    27,688.21/41,538.90 = 8,968.25/x
  3. Step 3: Cross multiply
    27,688.21x = 41,538.90 × 8,968.25
  4. Step 4: Simplify right side
    27,688.21x = 372,531,239.93
  5. Step 5: Solve for x
    x = 372,531,239.93/27,688.21
  6. Step 6: Final answer
    x = 13,454.51

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1.5x scale

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.