Home / 19,989.42-27,585.50-11,036.94

Finding the Fourth Proportional to 19,989.42, 27,585.50 and 11,036.94

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Solution

The fourth proportional to 19,989.42, 27,585.50 and 11,036.94 is: 15,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.42 : 27,585.50 = 11,036.94 : x
  2. Step 2: Convert to fraction form
    19,989.42/27,585.50 = 11,036.94/x
  3. Step 3: Cross multiply
    19,989.42x = 27,585.50 × 11,036.94
  4. Step 4: Simplify right side
    19,989.42x = 304,459,508.37
  5. Step 5: Solve for x
    x = 304,459,508.37/19,989.42
  6. Step 6: Final answer
    x = 15,231.03

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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.