Home / 19,867.28-27,383.91-19,341.42

Finding the Fourth Proportional to 19,867.28, 27,383.91 and 19,341.42

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Solution

The fourth proportional to 19,867.28, 27,383.91 and 19,341.42 is: 26,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.28 : 27,383.91 = 19,341.42 : x
  2. Step 2: Convert to fraction form
    19,867.28/27,383.91 = 19,341.42/x
  3. Step 3: Cross multiply
    19,867.28x = 27,383.91 × 19,341.42
  4. Step 4: Simplify right side
    19,867.28x = 529,643,704.55
  5. Step 5: Solve for x
    x = 529,643,704.55/19,867.28
  6. Step 6: Final answer
    x = 26,659.10

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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.