Home / 27,317.44-37,695.14-15,380.56

Finding the Fourth Proportional to 27,317.44, 37,695.14 and 15,380.56

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Solution

The fourth proportional to 27,317.44, 37,695.14 and 15,380.56 is: 21,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.44 : 37,695.14 = 15,380.56 : x
  2. Step 2: Convert to fraction form
    27,317.44/37,695.14 = 15,380.56/x
  3. Step 3: Cross multiply
    27,317.44x = 37,695.14 × 15,380.56
  4. Step 4: Simplify right side
    27,317.44x = 579,772,285.58
  5. Step 5: Solve for x
    x = 579,772,285.58/27,317.44
  6. Step 6: Final answer
    x = 21,223.52

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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.