Home / 19,987.83-27,583.25-11,035.37

Finding the Fourth Proportional to 19,987.83, 27,583.25 and 11,035.37

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Solution

The fourth proportional to 19,987.83, 27,583.25 and 11,035.37 is: 15,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.83 : 27,583.25 = 11,035.37 : x
  2. Step 2: Convert to fraction form
    19,987.83/27,583.25 = 11,035.37/x
  3. Step 3: Cross multiply
    19,987.83x = 27,583.25 × 11,035.37
  4. Step 4: Simplify right side
    19,987.83x = 304,391,445.41
  5. Step 5: Solve for x
    x = 304,391,445.41/19,987.83
  6. Step 6: Final answer
    x = 15,228.84

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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.