Home / 27,314.15-37,695.43-15,215.59

Finding the Fourth Proportional to 27,314.15, 37,695.43 and 15,215.59

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Solution

The fourth proportional to 27,314.15, 37,695.43 and 15,215.59 is: 20,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,314.15 : 37,695.43 = 15,215.59 : x
  2. Step 2: Convert to fraction form
    27,314.15/37,695.43 = 15,215.59/x
  3. Step 3: Cross multiply
    27,314.15x = 37,695.43 × 15,215.59
  4. Step 4: Simplify right side
    27,314.15x = 573,558,273.89
  5. Step 5: Solve for x
    x = 573,558,273.89/27,314.15
  6. Step 6: Final answer
    x = 20,998.58

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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.