Home / 28,023.52-38,683.25-20,529.37

Finding the Fourth Proportional to 28,023.52, 38,683.25 and 20,529.37

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Solution

The fourth proportional to 28,023.52, 38,683.25 and 20,529.37 is: 28,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.52 : 38,683.25 = 20,529.37 : x
  2. Step 2: Convert to fraction form
    28,023.52/38,683.25 = 20,529.37/x
  3. Step 3: Cross multiply
    28,023.52x = 38,683.25 × 20,529.37
  4. Step 4: Simplify right side
    28,023.52x = 794,142,702.21
  5. Step 5: Solve for x
    x = 794,142,702.21/28,023.52
  6. Step 6: Final answer
    x = 28,338.44

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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.