Home / 26,674.68-36,768.53-21,000.43

Finding the Fourth Proportional to 26,674.68, 36,768.53 and 21,000.43

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Solution

The fourth proportional to 26,674.68, 36,768.53 and 21,000.43 is: 28,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,674.68 : 36,768.53 = 21,000.43 : x
  2. Step 2: Convert to fraction form
    26,674.68/36,768.53 = 21,000.43/x
  3. Step 3: Cross multiply
    26,674.68x = 36,768.53 × 21,000.43
  4. Step 4: Simplify right side
    26,674.68x = 772,154,940.47
  5. Step 5: Solve for x
    x = 772,154,940.47/26,674.68
  6. Step 6: Final answer
    x = 28,947.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.