Home / 25,251.18-34,846.63-13,920.87

Finding the Fourth Proportional to 25,251.18, 34,846.63 and 13,920.87

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Solution

The fourth proportional to 25,251.18, 34,846.63 and 13,920.87 is: 19,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.18 : 34,846.63 = 13,920.87 : x
  2. Step 2: Convert to fraction form
    25,251.18/34,846.63 = 13,920.87/x
  3. Step 3: Cross multiply
    25,251.18x = 34,846.63 × 13,920.87
  4. Step 4: Simplify right side
    25,251.18x = 485,095,371.37
  5. Step 5: Solve for x
    x = 485,095,371.37/25,251.18
  6. Step 6: Final answer
    x = 19,210.80

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