Home / 28,368.44-42,552.64-12,767.84

Finding the Fourth Proportional to 28,368.44, 42,552.64 and 12,767.84

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Solution

The fourth proportional to 28,368.44, 42,552.64 and 12,767.84 is: 19,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.44 : 42,552.64 = 12,767.84 : x
  2. Step 2: Convert to fraction form
    28,368.44/42,552.64 = 12,767.84/x
  3. Step 3: Cross multiply
    28,368.44x = 42,552.64 × 12,767.84
  4. Step 4: Simplify right side
    28,368.44x = 543,305,299.10
  5. Step 5: Solve for x
    x = 543,305,299.10/28,368.44
  6. Step 6: Final answer
    x = 19,151.75

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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.