Home / 28,340.22-42,588.09-26,729.94

Finding the Fourth Proportional to 28,340.22, 42,588.09 and 26,729.94

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Solution

The fourth proportional to 28,340.22, 42,588.09 and 26,729.94 is: 40,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.22 : 42,588.09 = 26,729.94 : x
  2. Step 2: Convert to fraction form
    28,340.22/42,588.09 = 26,729.94/x
  3. Step 3: Cross multiply
    28,340.22x = 42,588.09 × 26,729.94
  4. Step 4: Simplify right side
    28,340.22x = 1,138,377,090.41
  5. Step 5: Solve for x
    x = 1,138,377,090.41/28,340.22
  6. Step 6: Final answer
    x = 40,168.25

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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.