Home / 28,197.24-38,909.34-16,864.50

Finding the Fourth Proportional to 28,197.24, 38,909.34 and 16,864.50

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Solution

The fourth proportional to 28,197.24, 38,909.34 and 16,864.50 is: 23,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.24 : 38,909.34 = 16,864.50 : x
  2. Step 2: Convert to fraction form
    28,197.24/38,909.34 = 16,864.50/x
  3. Step 3: Cross multiply
    28,197.24x = 38,909.34 × 16,864.50
  4. Step 4: Simplify right side
    28,197.24x = 656,186,564.43
  5. Step 5: Solve for x
    x = 656,186,564.43/28,197.24
  6. Step 6: Final answer
    x = 23,271.30

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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.