Home / 26,405.52-39,627.64-21,273.36

Finding the Fourth Proportional to 26,405.52, 39,627.64 and 21,273.36

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Solution

The fourth proportional to 26,405.52, 39,627.64 and 21,273.36 is: 31,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.52 : 39,627.64 = 21,273.36 : x
  2. Step 2: Convert to fraction form
    26,405.52/39,627.64 = 21,273.36/x
  3. Step 3: Cross multiply
    26,405.52x = 39,627.64 × 21,273.36
  4. Step 4: Simplify right side
    26,405.52x = 843,013,051.67
  5. Step 5: Solve for x
    x = 843,013,051.67/26,405.52
  6. Step 6: Final answer
    x = 31,925.64

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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.