Home / 29,616.60-40,872-16,188.75

Finding the Fourth Proportional to 29,616.60, 40,872 and 16,188.75

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Solution

The fourth proportional to 29,616.60, 40,872 and 16,188.75 is: 22,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,616.60 : 40,872 = 16,188.75 : x
  2. Step 2: Convert to fraction form
    29,616.60/40,872 = 16,188.75/x
  3. Step 3: Cross multiply
    29,616.60x = 40,872 × 16,188.75
  4. Step 4: Simplify right side
    29,616.60x = 661,666,590
  5. Step 5: Solve for x
    x = 661,666,590/29,616.60
  6. Step 6: Final answer
    x = 22,341.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.