Home / 27,333.83-37,720-15,396.46

Finding the Fourth Proportional to 27,333.83, 37,720 and 15,396.46

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Solution

The fourth proportional to 27,333.83, 37,720 and 15,396.46 is: 21,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.83 : 37,720 = 15,396.46 : x
  2. Step 2: Convert to fraction form
    27,333.83/37,720 = 15,396.46/x
  3. Step 3: Cross multiply
    27,333.83x = 37,720 × 15,396.46
  4. Step 4: Simplify right side
    27,333.83x = 580,754,471.20
  5. Step 5: Solve for x
    x = 580,754,471.20/27,333.83
  6. Step 6: Final answer
    x = 21,246.73

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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.