Home / 27,425.40-41,126.10-12,629.40

Finding the Fourth Proportional to 27,425.40, 41,126.10 and 12,629.40

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Solution

The fourth proportional to 27,425.40, 41,126.10 and 12,629.40 is: 18,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.40 : 41,126.10 = 12,629.40 : x
  2. Step 2: Convert to fraction form
    27,425.40/41,126.10 = 12,629.40/x
  3. Step 3: Cross multiply
    27,425.40x = 41,126.10 × 12,629.40
  4. Step 4: Simplify right side
    27,425.40x = 519,397,967.34
  5. Step 5: Solve for x
    x = 519,397,967.34/27,425.40
  6. Step 6: Final answer
    x = 18,938.57

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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.