Home / 28,010.50-42,015.59-16,156.59

Finding the Fourth Proportional to 28,010.50, 42,015.59 and 16,156.59

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Solution

The fourth proportional to 28,010.50, 42,015.59 and 16,156.59 is: 24,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.50 : 42,015.59 = 16,156.59 : x
  2. Step 2: Convert to fraction form
    28,010.50/42,015.59 = 16,156.59/x
  3. Step 3: Cross multiply
    28,010.50x = 42,015.59 × 16,156.59
  4. Step 4: Simplify right side
    28,010.50x = 678,828,692.53
  5. Step 5: Solve for x
    x = 678,828,692.53/28,010.50
  6. Step 6: Final answer
    x = 24,234.79

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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.