Home / 19,236.18-28,864.42-13,649.94

Finding the Fourth Proportional to 19,236.18, 28,864.42 and 13,649.94

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Solution

The fourth proportional to 19,236.18, 28,864.42 and 13,649.94 is: 20,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.18 : 28,864.42 = 13,649.94 : x
  2. Step 2: Convert to fraction form
    19,236.18/28,864.42 = 13,649.94/x
  3. Step 3: Cross multiply
    19,236.18x = 28,864.42 × 13,649.94
  4. Step 4: Simplify right side
    19,236.18x = 393,997,618.20
  5. Step 5: Solve for x
    x = 393,997,618.20/19,236.18
  6. Step 6: Final answer
    x = 20,482.12

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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.