Home / 28,133.28-38,822.76-16,197.84

Finding the Fourth Proportional to 28,133.28, 38,822.76 and 16,197.84

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Solution

The fourth proportional to 28,133.28, 38,822.76 and 16,197.84 is: 22,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133.28 : 38,822.76 = 16,197.84 : x
  2. Step 2: Convert to fraction form
    28,133.28/38,822.76 = 16,197.84/x
  3. Step 3: Cross multiply
    28,133.28x = 38,822.76 × 16,197.84
  4. Step 4: Simplify right side
    28,133.28x = 628,844,854.84
  5. Step 5: Solve for x
    x = 628,844,854.84/28,133.28
  6. Step 6: Final answer
    x = 22,352.35

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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.