Home / 28,818.12-39,772.40-16,073.31

Finding the Fourth Proportional to 28,818.12, 39,772.40 and 16,073.31

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Solution

The fourth proportional to 28,818.12, 39,772.40 and 16,073.31 is: 22,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.12 : 39,772.40 = 16,073.31 : x
  2. Step 2: Convert to fraction form
    28,818.12/39,772.40 = 16,073.31/x
  3. Step 3: Cross multiply
    28,818.12x = 39,772.40 × 16,073.31
  4. Step 4: Simplify right side
    28,818.12x = 639,274,114.64
  5. Step 5: Solve for x
    x = 639,274,114.64/28,818.12
  6. Step 6: Final answer
    x = 22,183.06

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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.