Home / 23,719.79-32,736.60-13,648.05

Finding the Fourth Proportional to 23,719.79, 32,736.60 and 13,648.05

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Solution

The fourth proportional to 23,719.79, 32,736.60 and 13,648.05 is: 18,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,719.79 : 32,736.60 = 13,648.05 : x
  2. Step 2: Convert to fraction form
    23,719.79/32,736.60 = 13,648.05/x
  3. Step 3: Cross multiply
    23,719.79x = 32,736.60 × 13,648.05
  4. Step 4: Simplify right side
    23,719.79x = 446,790,753.63
  5. Step 5: Solve for x
    x = 446,790,753.63/23,719.79
  6. Step 6: Final answer
    x = 18,836.20

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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.