Home / 28,185.92-42,276.40-17,089.32

Finding the Fourth Proportional to 28,185.92, 42,276.40 and 17,089.32

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Solution

The fourth proportional to 28,185.92, 42,276.40 and 17,089.32 is: 25,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.92 : 42,276.40 = 17,089.32 : x
  2. Step 2: Convert to fraction form
    28,185.92/42,276.40 = 17,089.32/x
  3. Step 3: Cross multiply
    28,185.92x = 42,276.40 × 17,089.32
  4. Step 4: Simplify right side
    28,185.92x = 722,474,928.05
  5. Step 5: Solve for x
    x = 722,474,928.05/28,185.92
  6. Step 6: Final answer
    x = 25,632.48

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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.