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Finding the Fourth Proportional to 27,308.03, 40,962.03 and 15,613.05

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Solution

The fourth proportional to 27,308.03, 40,962.03 and 15,613.05 is: 23,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.03 : 40,962.03 = 15,613.05 : x
  2. Step 2: Convert to fraction form
    27,308.03/40,962.03 = 15,613.05/x
  3. Step 3: Cross multiply
    27,308.03x = 40,962.03 × 15,613.05
  4. Step 4: Simplify right side
    27,308.03x = 639,542,222.49
  5. Step 5: Solve for x
    x = 639,542,222.49/27,308.03
  6. Step 6: Final answer
    x = 23,419.57

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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.