Home / 21,847.38-30,051.99-19,145.22

Finding the Fourth Proportional to 21,847.38, 30,051.99 and 19,145.22

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Solution

The fourth proportional to 21,847.38, 30,051.99 and 19,145.22 is: 26,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.38 : 30,051.99 = 19,145.22 : x
  2. Step 2: Convert to fraction form
    21,847.38/30,051.99 = 19,145.22/x
  3. Step 3: Cross multiply
    21,847.38x = 30,051.99 × 19,145.22
  4. Step 4: Simplify right side
    21,847.38x = 575,351,959.99
  5. Step 5: Solve for x
    x = 575,351,959.99/21,847.38
  6. Step 6: Final answer
    x = 26,335.06

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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.