Home / 19,575.28-27,006.04-11,190

Finding the Fourth Proportional to 19,575.28, 27,006.04 and 11,190

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Solution

The fourth proportional to 19,575.28, 27,006.04 and 11,190 is: 15,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.28 : 27,006.04 = 11,190 : x
  2. Step 2: Convert to fraction form
    19,575.28/27,006.04 = 11,190/x
  3. Step 3: Cross multiply
    19,575.28x = 27,006.04 × 11,190
  4. Step 4: Simplify right side
    19,575.28x = 302,197,587.60
  5. Step 5: Solve for x
    x = 302,197,587.60/19,575.28
  6. Step 6: Final answer
    x = 15,437.71

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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.