Home / 28,099.44-42,114.11-18,077.54

Finding the Fourth Proportional to 28,099.44, 42,114.11 and 18,077.54

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Solution

The fourth proportional to 28,099.44, 42,114.11 and 18,077.54 is: 27,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.44 : 42,114.11 = 18,077.54 : x
  2. Step 2: Convert to fraction form
    28,099.44/42,114.11 = 18,077.54/x
  3. Step 3: Cross multiply
    28,099.44x = 42,114.11 × 18,077.54
  4. Step 4: Simplify right side
    28,099.44x = 761,319,207.13
  5. Step 5: Solve for x
    x = 761,319,207.13/28,099.44
  6. Step 6: Final answer
    x = 27,093.75

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1.5x scale

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.