Home / 28,205.75-38,897.08-16,873.45

Finding the Fourth Proportional to 28,205.75, 38,897.08 and 16,873.45

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Solution

The fourth proportional to 28,205.75, 38,897.08 and 16,873.45 is: 23,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.75 : 38,897.08 = 16,873.45 : x
  2. Step 2: Convert to fraction form
    28,205.75/38,897.08 = 16,873.45/x
  3. Step 3: Cross multiply
    28,205.75x = 38,897.08 × 16,873.45
  4. Step 4: Simplify right side
    28,205.75x = 656,327,795.10
  5. Step 5: Solve for x
    x = 656,327,795.10/28,205.75
  6. Step 6: Final answer
    x = 23,269.29

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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.