Home / 19,127.04-28,661.76-11,328

Finding the Fourth Proportional to 19,127.04, 28,661.76 and 11,328

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Solution

The fourth proportional to 19,127.04, 28,661.76 and 11,328 is: 16,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.04 : 28,661.76 = 11,328 : x
  2. Step 2: Convert to fraction form
    19,127.04/28,661.76 = 11,328/x
  3. Step 3: Cross multiply
    19,127.04x = 28,661.76 × 11,328
  4. Step 4: Simplify right side
    19,127.04x = 324,680,417.28
  5. Step 5: Solve for x
    x = 324,680,417.28/19,127.04
  6. Step 6: Final answer
    x = 16,974.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.