Home / 28,477.92-42,724.56-25,736.16

Finding the Fourth Proportional to 28,477.92, 42,724.56 and 25,736.16

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Solution

The fourth proportional to 28,477.92, 42,724.56 and 25,736.16 is: 38,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.92 : 42,724.56 = 25,736.16 : x
  2. Step 2: Convert to fraction form
    28,477.92/42,724.56 = 25,736.16/x
  3. Step 3: Cross multiply
    28,477.92x = 42,724.56 × 25,736.16
  4. Step 4: Simplify right side
    28,477.92x = 1,099,566,112.09
  5. Step 5: Solve for x
    x = 1,099,566,112.09/28,477.92
  6. Step 6: Final answer
    x = 38,611.18

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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.