Home / 27,217.82-37,558.02-15,278.96

Finding the Fourth Proportional to 27,217.82, 37,558.02 and 15,278.96

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Solution

The fourth proportional to 27,217.82, 37,558.02 and 15,278.96 is: 21,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.82 : 37,558.02 = 15,278.96 : x
  2. Step 2: Convert to fraction form
    27,217.82/37,558.02 = 15,278.96/x
  3. Step 3: Cross multiply
    27,217.82x = 37,558.02 × 15,278.96
  4. Step 4: Simplify right side
    27,217.82x = 573,847,485.26
  5. Step 5: Solve for x
    x = 573,847,485.26/27,217.82
  6. Step 6: Final answer
    x = 21,083.52

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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.