Home / 28,124.10-42,165.27-17,028.15

Finding the Fourth Proportional to 28,124.10, 42,165.27 and 17,028.15

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Solution

The fourth proportional to 28,124.10, 42,165.27 and 17,028.15 is: 25,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.10 : 42,165.27 = 17,028.15 : x
  2. Step 2: Convert to fraction form
    28,124.10/42,165.27 = 17,028.15/x
  3. Step 3: Cross multiply
    28,124.10x = 42,165.27 × 17,028.15
  4. Step 4: Simplify right side
    28,124.10x = 717,996,542.35
  5. Step 5: Solve for x
    x = 717,996,542.35/28,124.10
  6. Step 6: Final answer
    x = 25,529.58

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1.5x scale

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.