Home / 19,987.90-27,583.44-11,035.46

Finding the Fourth Proportional to 19,987.90, 27,583.44 and 11,035.46

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Solution

The fourth proportional to 19,987.90, 27,583.44 and 11,035.46 is: 15,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.90 : 27,583.44 = 11,035.46 : x
  2. Step 2: Convert to fraction form
    19,987.90/27,583.44 = 11,035.46/x
  3. Step 3: Cross multiply
    19,987.90x = 27,583.44 × 11,035.46
  4. Step 4: Simplify right side
    19,987.90x = 304,395,948.78
  5. Step 5: Solve for x
    x = 304,395,948.78/19,987.90
  6. Step 6: Final answer
    x = 15,229.01

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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.