Home / 28,714.79-43,009.83-13,892.63

Finding the Fourth Proportional to 28,714.79, 43,009.83 and 13,892.63

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Solution

The fourth proportional to 28,714.79, 43,009.83 and 13,892.63 is: 20,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.79 : 43,009.83 = 13,892.63 : x
  2. Step 2: Convert to fraction form
    28,714.79/43,009.83 = 13,892.63/x
  3. Step 3: Cross multiply
    28,714.79x = 43,009.83 × 13,892.63
  4. Step 4: Simplify right side
    28,714.79x = 597,519,439.50
  5. Step 5: Solve for x
    x = 597,519,439.50/28,714.79
  6. Step 6: Final answer
    x = 20,808.77

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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.