Home / 27,213.90-40,806.69-9,681.18

Finding the Fourth Proportional to 27,213.90, 40,806.69 and 9,681.18

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Solution

The fourth proportional to 27,213.90, 40,806.69 and 9,681.18 is: 14,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.90 : 40,806.69 = 9,681.18 : x
  2. Step 2: Convert to fraction form
    27,213.90/40,806.69 = 9,681.18/x
  3. Step 3: Cross multiply
    27,213.90x = 40,806.69 × 9,681.18
  4. Step 4: Simplify right side
    27,213.90x = 395,056,911.09
  5. Step 5: Solve for x
    x = 395,056,911.09/27,213.90
  6. Step 6: Final answer
    x = 14,516.73

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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.