Home / 28,677.58-43,016.37-8,957.69

Finding the Fourth Proportional to 28,677.58, 43,016.37 and 8,957.69

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Solution

The fourth proportional to 28,677.58, 43,016.37 and 8,957.69 is: 13,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.58 : 43,016.37 = 8,957.69 : x
  2. Step 2: Convert to fraction form
    28,677.58/43,016.37 = 8,957.69/x
  3. Step 3: Cross multiply
    28,677.58x = 43,016.37 × 8,957.69
  4. Step 4: Simplify right side
    28,677.58x = 385,327,220.02
  5. Step 5: Solve for x
    x = 385,327,220.02/28,677.58
  6. Step 6: Final answer
    x = 13,436.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.