Home / 19,941.23-27,517.91-10,987.29

Finding the Fourth Proportional to 19,941.23, 27,517.91 and 10,987.29

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Solution

The fourth proportional to 19,941.23, 27,517.91 and 10,987.29 is: 15,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.23 : 27,517.91 = 10,987.29 : x
  2. Step 2: Convert to fraction form
    19,941.23/27,517.91 = 10,987.29/x
  3. Step 3: Cross multiply
    19,941.23x = 27,517.91 × 10,987.29
  4. Step 4: Simplify right side
    19,941.23x = 302,347,202.43
  5. Step 5: Solve for x
    x = 302,347,202.43/19,941.23
  6. Step 6: Final answer
    x = 15,161.91

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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.