Home / 26,345.34-36,392.07-21,077.82

Finding the Fourth Proportional to 26,345.34, 36,392.07 and 21,077.82

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Solution

The fourth proportional to 26,345.34, 36,392.07 and 21,077.82 is: 29,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.34 : 36,392.07 = 21,077.82 : x
  2. Step 2: Convert to fraction form
    26,345.34/36,392.07 = 21,077.82/x
  3. Step 3: Cross multiply
    26,345.34x = 36,392.07 × 21,077.82
  4. Step 4: Simplify right side
    26,345.34x = 767,065,500.89
  5. Step 5: Solve for x
    x = 767,065,500.89/26,345.34
  6. Step 6: Final answer
    x = 29,115.79

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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.