Home / 69,418.64-104,127.02-16,828.58

Finding the Fourth Proportional to 69,418.64, 104,127.02 and 16,828.58

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Solution

The fourth proportional to 69,418.64, 104,127.02 and 16,828.58 is: 25,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,418.64 : 104,127.02 = 16,828.58 : x
  2. Step 2: Convert to fraction form
    69,418.64/104,127.02 = 16,828.58/x
  3. Step 3: Cross multiply
    69,418.64x = 104,127.02 × 16,828.58
  4. Step 4: Simplify right side
    69,418.64x = 1,752,309,886.23
  5. Step 5: Solve for x
    x = 1,752,309,886.23/69,418.64
  6. Step 6: Final answer
    x = 25,242.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.