Home / 27,343.34-37,731.11-15,408.80

Finding the Fourth Proportional to 27,343.34, 37,731.11 and 15,408.80

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Solution

The fourth proportional to 27,343.34, 37,731.11 and 15,408.80 is: 21,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.34 : 37,731.11 = 15,408.80 : x
  2. Step 2: Convert to fraction form
    27,343.34/37,731.11 = 15,408.80/x
  3. Step 3: Cross multiply
    27,343.34x = 37,731.11 × 15,408.80
  4. Step 4: Simplify right side
    27,343.34x = 581,390,862.07
  5. Step 5: Solve for x
    x = 581,390,862.07/27,343.34
  6. Step 6: Final answer
    x = 21,262.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.