Home / 28,772.52-39,706.82-16,197.72

Finding the Fourth Proportional to 28,772.52, 39,706.82 and 16,197.72

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Solution

The fourth proportional to 28,772.52, 39,706.82 and 16,197.72 is: 22,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.52 : 39,706.82 = 16,197.72 : x
  2. Step 2: Convert to fraction form
    28,772.52/39,706.82 = 16,197.72/x
  3. Step 3: Cross multiply
    28,772.52x = 39,706.82 × 16,197.72
  4. Step 4: Simplify right side
    28,772.52x = 643,159,952.45
  5. Step 5: Solve for x
    x = 643,159,952.45/28,772.52
  6. Step 6: Final answer
    x = 22,353.27

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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.