Home / 28,077.27-38,745.05-16,759.55

Finding the Fourth Proportional to 28,077.27, 38,745.05 and 16,759.55

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Solution

The fourth proportional to 28,077.27, 38,745.05 and 16,759.55 is: 23,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.27 : 38,745.05 = 16,759.55 : x
  2. Step 2: Convert to fraction form
    28,077.27/38,745.05 = 16,759.55/x
  3. Step 3: Cross multiply
    28,077.27x = 38,745.05 × 16,759.55
  4. Step 4: Simplify right side
    28,077.27x = 649,349,325.20
  5. Step 5: Solve for x
    x = 649,349,325.20/28,077.27
  6. Step 6: Final answer
    x = 23,127.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.