Home / 20,274.52-27,998.16-19,170.10

Finding the Fourth Proportional to 20,274.52, 27,998.16 and 19,170.10

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Solution

The fourth proportional to 20,274.52, 27,998.16 and 19,170.10 is: 26,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.52 : 27,998.16 = 19,170.10 : x
  2. Step 2: Convert to fraction form
    20,274.52/27,998.16 = 19,170.10/x
  3. Step 3: Cross multiply
    20,274.52x = 27,998.16 × 19,170.10
  4. Step 4: Simplify right side
    20,274.52x = 536,727,527.02
  5. Step 5: Solve for x
    x = 536,727,527.02/20,274.52
  6. Step 6: Final answer
    x = 26,473.01

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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.