Home / 19,250.60-28,844.85-10,905.80

Finding the Fourth Proportional to 19,250.60, 28,844.85 and 10,905.80

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Solution

The fourth proportional to 19,250.60, 28,844.85 and 10,905.80 is: 16,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.60 : 28,844.85 = 10,905.80 : x
  2. Step 2: Convert to fraction form
    19,250.60/28,844.85 = 10,905.80/x
  3. Step 3: Cross multiply
    19,250.60x = 28,844.85 × 10,905.80
  4. Step 4: Simplify right side
    19,250.60x = 314,576,165.13
  5. Step 5: Solve for x
    x = 314,576,165.13/19,250.60
  6. Step 6: Final answer
    x = 16,341.11

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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.