Home / 27,415.26-37,833.78-15,478.70

Finding the Fourth Proportional to 27,415.26, 37,833.78 and 15,478.70

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Solution

The fourth proportional to 27,415.26, 37,833.78 and 15,478.70 is: 21,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.26 : 37,833.78 = 15,478.70 : x
  2. Step 2: Convert to fraction form
    27,415.26/37,833.78 = 15,478.70/x
  3. Step 3: Cross multiply
    27,415.26x = 37,833.78 × 15,478.70
  4. Step 4: Simplify right side
    27,415.26x = 585,617,599.36
  5. Step 5: Solve for x
    x = 585,617,599.36/27,415.26
  6. Step 6: Final answer
    x = 21,361.01

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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.