Home / 28,153.36-42,230.33-11,502.02

Finding the Fourth Proportional to 28,153.36, 42,230.33 and 11,502.02

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Solution

The fourth proportional to 28,153.36, 42,230.33 and 11,502.02 is: 17,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.36 : 42,230.33 = 11,502.02 : x
  2. Step 2: Convert to fraction form
    28,153.36/42,230.33 = 11,502.02/x
  3. Step 3: Cross multiply
    28,153.36x = 42,230.33 × 11,502.02
  4. Step 4: Simplify right side
    28,153.36x = 485,734,100.27
  5. Step 5: Solve for x
    x = 485,734,100.27/28,153.36
  6. Step 6: Final answer
    x = 17,253.15

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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.