Home / 28,671.64-43,010.22-11,142.84

Finding the Fourth Proportional to 28,671.64, 43,010.22 and 11,142.84

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Solution

The fourth proportional to 28,671.64, 43,010.22 and 11,142.84 is: 16,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671.64 : 43,010.22 = 11,142.84 : x
  2. Step 2: Convert to fraction form
    28,671.64/43,010.22 = 11,142.84/x
  3. Step 3: Cross multiply
    28,671.64x = 43,010.22 × 11,142.84
  4. Step 4: Simplify right side
    28,671.64x = 479,255,999.82
  5. Step 5: Solve for x
    x = 479,255,999.82/28,671.64
  6. Step 6: Final answer
    x = 16,715.33

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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.