Home / 19,987.72-27,582.87-11,035.03

Finding the Fourth Proportional to 19,987.72, 27,582.87 and 11,035.03

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Solution

The fourth proportional to 19,987.72, 27,582.87 and 11,035.03 is: 15,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.72 : 27,582.87 = 11,035.03 : x
  2. Step 2: Convert to fraction form
    19,987.72/27,582.87 = 11,035.03/x
  3. Step 3: Cross multiply
    19,987.72x = 27,582.87 × 11,035.03
  4. Step 4: Simplify right side
    19,987.72x = 304,377,794.92
  5. Step 5: Solve for x
    x = 304,377,794.92/19,987.72
  6. Step 6: Final answer
    x = 15,228.24

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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.