Home / 27,548.55-38,022.27-15,612.39

Finding the Fourth Proportional to 27,548.55, 38,022.27 and 15,612.39

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Solution

The fourth proportional to 27,548.55, 38,022.27 and 15,612.39 is: 21,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.55 : 38,022.27 = 15,612.39 : x
  2. Step 2: Convert to fraction form
    27,548.55/38,022.27 = 15,612.39/x
  3. Step 3: Cross multiply
    27,548.55x = 38,022.27 × 15,612.39
  4. Step 4: Simplify right side
    27,548.55x = 593,618,507.93
  5. Step 5: Solve for x
    x = 593,618,507.93/27,548.55
  6. Step 6: Final answer
    x = 21,548.09

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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.