Home / 23,051.79-31,790.48-15,091.11

Finding the Fourth Proportional to 23,051.79, 31,790.48 and 15,091.11

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Solution

The fourth proportional to 23,051.79, 31,790.48 and 15,091.11 is: 20,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,051.79 : 31,790.48 = 15,091.11 : x
  2. Step 2: Convert to fraction form
    23,051.79/31,790.48 = 15,091.11/x
  3. Step 3: Cross multiply
    23,051.79x = 31,790.48 × 15,091.11
  4. Step 4: Simplify right side
    23,051.79x = 479,753,555.18
  5. Step 5: Solve for x
    x = 479,753,555.18/23,051.79
  6. Step 6: Final answer
    x = 20,811.99

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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.