Home / 27,317.16-37,694.57-15,380.19

Finding the Fourth Proportional to 27,317.16, 37,694.57 and 15,380.19

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Solution

The fourth proportional to 27,317.16, 37,694.57 and 15,380.19 is: 21,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.16 : 37,694.57 = 15,380.19 : x
  2. Step 2: Convert to fraction form
    27,317.16/37,694.57 = 15,380.19/x
  3. Step 3: Cross multiply
    27,317.16x = 37,694.57 × 15,380.19
  4. Step 4: Simplify right side
    27,317.16x = 579,749,571.67
  5. Step 5: Solve for x
    x = 579,749,571.67/27,317.16
  6. Step 6: Final answer
    x = 21,222.91

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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.