Home / 25,140.66-34,694.73-13,811.28

Finding the Fourth Proportional to 25,140.66, 34,694.73 and 13,811.28

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Solution

The fourth proportional to 25,140.66, 34,694.73 and 13,811.28 is: 19,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.66 : 34,694.73 = 13,811.28 : x
  2. Step 2: Convert to fraction form
    25,140.66/34,694.73 = 13,811.28/x
  3. Step 3: Cross multiply
    25,140.66x = 34,694.73 × 13,811.28
  4. Step 4: Simplify right side
    25,140.66x = 479,178,630.55
  5. Step 5: Solve for x
    x = 479,178,630.55/25,140.66
  6. Step 6: Final answer
    x = 19,059.91

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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.