Home / 25,099.86-34,639.08-13,769.84

Finding the Fourth Proportional to 25,099.86, 34,639.08 and 13,769.84

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Solution

The fourth proportional to 25,099.86, 34,639.08 and 13,769.84 is: 19,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.86 : 34,639.08 = 13,769.84 : x
  2. Step 2: Convert to fraction form
    25,099.86/34,639.08 = 13,769.84/x
  3. Step 3: Cross multiply
    25,099.86x = 34,639.08 × 13,769.84
  4. Step 4: Simplify right side
    25,099.86x = 476,974,589.35
  5. Step 5: Solve for x
    x = 476,974,589.35/25,099.86
  6. Step 6: Final answer
    x = 19,003.08

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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.