Home / 19,177.76-28,808.56-13,666.52

Finding the Fourth Proportional to 19,177.76, 28,808.56 and 13,666.52

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Solution

The fourth proportional to 19,177.76, 28,808.56 and 13,666.52 is: 20,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.76 : 28,808.56 = 13,666.52 : x
  2. Step 2: Convert to fraction form
    19,177.76/28,808.56 = 13,666.52/x
  3. Step 3: Cross multiply
    19,177.76x = 28,808.56 × 13,666.52
  4. Step 4: Simplify right side
    19,177.76x = 393,712,850.52
  5. Step 5: Solve for x
    x = 393,712,850.52/19,177.76
  6. Step 6: Final answer
    x = 20,529.66

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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.