Home / 27,327.50-37,705.47-15,388.46

Finding the Fourth Proportional to 27,327.50, 37,705.47 and 15,388.46

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Solution

The fourth proportional to 27,327.50, 37,705.47 and 15,388.46 is: 21,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.50 : 37,705.47 = 15,388.46 : x
  2. Step 2: Convert to fraction form
    27,327.50/37,705.47 = 15,388.46/x
  3. Step 3: Cross multiply
    27,327.50x = 37,705.47 × 15,388.46
  4. Step 4: Simplify right side
    27,327.50x = 580,229,116.88
  5. Step 5: Solve for x
    x = 580,229,116.88/27,327.50
  6. Step 6: Final answer
    x = 21,232.43

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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.