Home / 28,090.28-42,185.60-26,961.47

Finding the Fourth Proportional to 28,090.28, 42,185.60 and 26,961.47

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Solution

The fourth proportional to 28,090.28, 42,185.60 and 26,961.47 is: 40,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.28 : 42,185.60 = 26,961.47 : x
  2. Step 2: Convert to fraction form
    28,090.28/42,185.60 = 26,961.47/x
  3. Step 3: Cross multiply
    28,090.28x = 42,185.60 × 26,961.47
  4. Step 4: Simplify right side
    28,090.28x = 1,137,385,788.83
  5. Step 5: Solve for x
    x = 1,137,385,788.83/28,090.28
  6. Step 6: Final answer
    x = 40,490.37

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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.