Home / 19,331.66-28,994.02-8,799.17

Finding the Fourth Proportional to 19,331.66, 28,994.02 and 8,799.17

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Solution

The fourth proportional to 19,331.66, 28,994.02 and 8,799.17 is: 13,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.66 : 28,994.02 = 8,799.17 : x
  2. Step 2: Convert to fraction form
    19,331.66/28,994.02 = 8,799.17/x
  3. Step 3: Cross multiply
    19,331.66x = 28,994.02 × 8,799.17
  4. Step 4: Simplify right side
    19,331.66x = 255,123,144.00
  5. Step 5: Solve for x
    x = 255,123,144.00/19,331.66
  6. Step 6: Final answer
    x = 13,197.17

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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.