Home / 27,221.64-37,568.96-15,288.84

Finding the Fourth Proportional to 27,221.64, 37,568.96 and 15,288.84

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Solution

The fourth proportional to 27,221.64, 37,568.96 and 15,288.84 is: 21,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.64 : 37,568.96 = 15,288.84 : x
  2. Step 2: Convert to fraction form
    27,221.64/37,568.96 = 15,288.84/x
  3. Step 3: Cross multiply
    27,221.64x = 37,568.96 × 15,288.84
  4. Step 4: Simplify right side
    27,221.64x = 574,385,741.96
  5. Step 5: Solve for x
    x = 574,385,741.96/27,221.64
  6. Step 6: Final answer
    x = 21,100.34

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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.