Home / 20,266.52-27,987.12-19,162.10

Finding the Fourth Proportional to 20,266.52, 27,987.12 and 19,162.10

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Solution

The fourth proportional to 20,266.52, 27,987.12 and 19,162.10 is: 26,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.52 : 27,987.12 = 19,162.10 : x
  2. Step 2: Convert to fraction form
    20,266.52/27,987.12 = 19,162.10/x
  3. Step 3: Cross multiply
    20,266.52x = 27,987.12 × 19,162.10
  4. Step 4: Simplify right side
    20,266.52x = 536,291,992.15
  5. Step 5: Solve for x
    x = 536,291,992.15/20,266.52
  6. Step 6: Final answer
    x = 26,461.97

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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.