Home / 28,232.32-38,942.96-18,173.84

Finding the Fourth Proportional to 28,232.32, 38,942.96 and 18,173.84

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Solution

The fourth proportional to 28,232.32, 38,942.96 and 18,173.84 is: 25,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.32 : 38,942.96 = 18,173.84 : x
  2. Step 2: Convert to fraction form
    28,232.32/38,942.96 = 18,173.84/x
  3. Step 3: Cross multiply
    28,232.32x = 38,942.96 × 18,173.84
  4. Step 4: Simplify right side
    28,232.32x = 707,743,124.17
  5. Step 5: Solve for x
    x = 707,743,124.17/28,232.32
  6. Step 6: Final answer
    x = 25,068.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.