Home / 27,322.20-37,708.20-15,387.84

Finding the Fourth Proportional to 27,322.20, 37,708.20 and 15,387.84

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Solution

The fourth proportional to 27,322.20, 37,708.20 and 15,387.84 is: 21,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.20 : 37,708.20 = 15,387.84 : x
  2. Step 2: Convert to fraction form
    27,322.20/37,708.20 = 15,387.84/x
  3. Step 3: Cross multiply
    27,322.20x = 37,708.20 × 15,387.84
  4. Step 4: Simplify right side
    27,322.20x = 580,247,748.29
  5. Step 5: Solve for x
    x = 580,247,748.29/27,322.20
  6. Step 6: Final answer
    x = 21,237.23

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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.