Home / 28,197.37-38,909.73-16,864.57

Finding the Fourth Proportional to 28,197.37, 38,909.73 and 16,864.57

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Solution

The fourth proportional to 28,197.37, 38,909.73 and 16,864.57 is: 23,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.37 : 38,909.73 = 16,864.57 : x
  2. Step 2: Convert to fraction form
    28,197.37/38,909.73 = 16,864.57/x
  3. Step 3: Cross multiply
    28,197.37x = 38,909.73 × 16,864.57
  4. Step 4: Simplify right side
    28,197.37x = 656,195,865.27
  5. Step 5: Solve for x
    x = 656,195,865.27/28,197.37
  6. Step 6: Final answer
    x = 23,271.53

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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.