Home / 27,441.84-37,870.68-15,506.40

Finding the Fourth Proportional to 27,441.84, 37,870.68 and 15,506.40

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Solution

The fourth proportional to 27,441.84, 37,870.68 and 15,506.40 is: 21,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,441.84 : 37,870.68 = 15,506.40 : x
  2. Step 2: Convert to fraction form
    27,441.84/37,870.68 = 15,506.40/x
  3. Step 3: Cross multiply
    27,441.84x = 37,870.68 × 15,506.40
  4. Step 4: Simplify right side
    27,441.84x = 587,237,912.35
  5. Step 5: Solve for x
    x = 587,237,912.35/27,441.84
  6. Step 6: Final answer
    x = 21,399.36

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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.