Home / 19,988.02-27,583.05-11,035.27

Finding the Fourth Proportional to 19,988.02, 27,583.05 and 11,035.27

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Solution

The fourth proportional to 19,988.02, 27,583.05 and 11,035.27 is: 15,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.02 : 27,583.05 = 11,035.27 : x
  2. Step 2: Convert to fraction form
    19,988.02/27,583.05 = 11,035.27/x
  3. Step 3: Cross multiply
    19,988.02x = 27,583.05 × 11,035.27
  4. Step 4: Simplify right side
    19,988.02x = 304,386,404.17
  5. Step 5: Solve for x
    x = 304,386,404.17/19,988.02
  6. Step 6: Final answer
    x = 15,228.44

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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.