Home / 26,984.35-40,479.92-14,487.20

Finding the Fourth Proportional to 26,984.35, 40,479.92 and 14,487.20

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Solution

The fourth proportional to 26,984.35, 40,479.92 and 14,487.20 is: 21,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,984.35 : 40,479.92 = 14,487.20 : x
  2. Step 2: Convert to fraction form
    26,984.35/40,479.92 = 14,487.20/x
  3. Step 3: Cross multiply
    26,984.35x = 40,479.92 × 14,487.20
  4. Step 4: Simplify right side
    26,984.35x = 586,440,628.32
  5. Step 5: Solve for x
    x = 586,440,628.32/26,984.35
  6. Step 6: Final answer
    x = 21,732.62

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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.