Home / 28,200.24-38,913.48-16,867.50

Finding the Fourth Proportional to 28,200.24, 38,913.48 and 16,867.50

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Solution

The fourth proportional to 28,200.24, 38,913.48 and 16,867.50 is: 23,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200.24 : 38,913.48 = 16,867.50 : x
  2. Step 2: Convert to fraction form
    28,200.24/38,913.48 = 16,867.50/x
  3. Step 3: Cross multiply
    28,200.24x = 38,913.48 × 16,867.50
  4. Step 4: Simplify right side
    28,200.24x = 656,373,123.90
  5. Step 5: Solve for x
    x = 656,373,123.90/28,200.24
  6. Step 6: Final answer
    x = 23,275.44

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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.