Home / 28,124.94-42,166.58-17,029.02

Finding the Fourth Proportional to 28,124.94, 42,166.58 and 17,029.02

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Solution

The fourth proportional to 28,124.94, 42,166.58 and 17,029.02 is: 25,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.94 : 42,166.58 = 17,029.02 : x
  2. Step 2: Convert to fraction form
    28,124.94/42,166.58 = 17,029.02/x
  3. Step 3: Cross multiply
    28,124.94x = 42,166.58 × 17,029.02
  4. Step 4: Simplify right side
    28,124.94x = 718,055,534.15
  5. Step 5: Solve for x
    x = 718,055,534.15/28,124.94
  6. Step 6: Final answer
    x = 25,530.92

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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.