Home / 28,927.96-43,383.18-12,287.84

Finding the Fourth Proportional to 28,927.96, 43,383.18 and 12,287.84

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Solution

The fourth proportional to 28,927.96, 43,383.18 and 12,287.84 is: 18,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.96 : 43,383.18 = 12,287.84 : x
  2. Step 2: Convert to fraction form
    28,927.96/43,383.18 = 12,287.84/x
  3. Step 3: Cross multiply
    28,927.96x = 43,383.18 × 12,287.84
  4. Step 4: Simplify right side
    28,927.96x = 533,085,574.53
  5. Step 5: Solve for x
    x = 533,085,574.53/28,927.96
  6. Step 6: Final answer
    x = 18,428.04

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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.