Home / 26,666.66-36,802.17-15,339.83

Finding the Fourth Proportional to 26,666.66, 36,802.17 and 15,339.83

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Solution

The fourth proportional to 26,666.66, 36,802.17 and 15,339.83 is: 21,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.66 : 36,802.17 = 15,339.83 : x
  2. Step 2: Convert to fraction form
    26,666.66/36,802.17 = 15,339.83/x
  3. Step 3: Cross multiply
    26,666.66x = 36,802.17 × 15,339.83
  4. Step 4: Simplify right side
    26,666.66x = 564,538,847.42
  5. Step 5: Solve for x
    x = 564,538,847.42/26,666.66
  6. Step 6: Final answer
    x = 21,170.21

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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.