Home / 28,170.60-42,227.10-16,477.80

Finding the Fourth Proportional to 28,170.60, 42,227.10 and 16,477.80

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Solution

The fourth proportional to 28,170.60, 42,227.10 and 16,477.80 is: 24,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170.60 : 42,227.10 = 16,477.80 : x
  2. Step 2: Convert to fraction form
    28,170.60/42,227.10 = 16,477.80/x
  3. Step 3: Cross multiply
    28,170.60x = 42,227.10 × 16,477.80
  4. Step 4: Simplify right side
    28,170.60x = 695,809,708.38
  5. Step 5: Solve for x
    x = 695,809,708.38/28,170.60
  6. Step 6: Final answer
    x = 24,699.85

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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.