Home / 28,877.58-39,846.87-16,938.18

Finding the Fourth Proportional to 28,877.58, 39,846.87 and 16,938.18

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Solution

The fourth proportional to 28,877.58, 39,846.87 and 16,938.18 is: 23,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.58 : 39,846.87 = 16,938.18 : x
  2. Step 2: Convert to fraction form
    28,877.58/39,846.87 = 16,938.18/x
  3. Step 3: Cross multiply
    28,877.58x = 39,846.87 × 16,938.18
  4. Step 4: Simplify right side
    28,877.58x = 674,933,456.50
  5. Step 5: Solve for x
    x = 674,933,456.50/28,877.58
  6. Step 6: Final answer
    x = 23,372.23

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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.