Home / 26,534.56-39,764.64-20,963.52

Finding the Fourth Proportional to 26,534.56, 39,764.64 and 20,963.52

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Solution

The fourth proportional to 26,534.56, 39,764.64 and 20,963.52 is: 31,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,534.56 : 39,764.64 = 20,963.52 : x
  2. Step 2: Convert to fraction form
    26,534.56/39,764.64 = 20,963.52/x
  3. Step 3: Cross multiply
    26,534.56x = 39,764.64 × 20,963.52
  4. Step 4: Simplify right side
    26,534.56x = 833,606,825.93
  5. Step 5: Solve for x
    x = 833,606,825.93/26,534.56
  6. Step 6: Final answer
    x = 31,415.89

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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.