Home / 27,441.85-37,870.14-15,343.64

Finding the Fourth Proportional to 27,441.85, 37,870.14 and 15,343.64

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Solution

The fourth proportional to 27,441.85, 37,870.14 and 15,343.64 is: 21,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,441.85 : 37,870.14 = 15,343.64 : x
  2. Step 2: Convert to fraction form
    27,441.85/37,870.14 = 15,343.64/x
  3. Step 3: Cross multiply
    27,441.85x = 37,870.14 × 15,343.64
  4. Step 4: Simplify right side
    27,441.85x = 581,065,605.56
  5. Step 5: Solve for x
    x = 581,065,605.56/27,441.85
  6. Step 6: Final answer
    x = 21,174.43

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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.