Home / 15,581.36-23,341.78-13,836.08

Finding the Fourth Proportional to 15,581.36, 23,341.78 and 13,836.08

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Solution

The fourth proportional to 15,581.36, 23,341.78 and 13,836.08 is: 20,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.36 : 23,341.78 = 13,836.08 : x
  2. Step 2: Convert to fraction form
    15,581.36/23,341.78 = 13,836.08/x
  3. Step 3: Cross multiply
    15,581.36x = 23,341.78 × 13,836.08
  4. Step 4: Simplify right side
    15,581.36x = 322,958,735.42
  5. Step 5: Solve for x
    x = 322,958,735.42/15,581.36
  6. Step 6: Final answer
    x = 20,727.25

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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.