Home / 28,247.06-42,318.94-13,226.62

Finding the Fourth Proportional to 28,247.06, 42,318.94 and 13,226.62

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Solution

The fourth proportional to 28,247.06, 42,318.94 and 13,226.62 is: 19,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.06 : 42,318.94 = 13,226.62 : x
  2. Step 2: Convert to fraction form
    28,247.06/42,318.94 = 13,226.62/x
  3. Step 3: Cross multiply
    28,247.06x = 42,318.94 × 13,226.62
  4. Step 4: Simplify right side
    28,247.06x = 559,736,538.18
  5. Step 5: Solve for x
    x = 559,736,538.18/28,247.06
  6. Step 6: Final answer
    x = 19,815.75

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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.