Home / 28,950.98-43,441.59-15,800.90

Finding the Fourth Proportional to 28,950.98, 43,441.59 and 15,800.90

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Solution

The fourth proportional to 28,950.98, 43,441.59 and 15,800.90 is: 23,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.98 : 43,441.59 = 15,800.90 : x
  2. Step 2: Convert to fraction form
    28,950.98/43,441.59 = 15,800.90/x
  3. Step 3: Cross multiply
    28,950.98x = 43,441.59 × 15,800.90
  4. Step 4: Simplify right side
    28,950.98x = 686,416,219.43
  5. Step 5: Solve for x
    x = 686,416,219.43/28,950.98
  6. Step 6: Final answer
    x = 23,709.60

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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.