Home / 28,441.37-42,667.54-10,909.83

Finding the Fourth Proportional to 28,441.37, 42,667.54 and 10,909.83

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Solution

The fourth proportional to 28,441.37, 42,667.54 and 10,909.83 is: 16,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.37 : 42,667.54 = 10,909.83 : x
  2. Step 2: Convert to fraction form
    28,441.37/42,667.54 = 10,909.83/x
  3. Step 3: Cross multiply
    28,441.37x = 42,667.54 × 10,909.83
  4. Step 4: Simplify right side
    28,441.37x = 465,495,607.92
  5. Step 5: Solve for x
    x = 465,495,607.92/28,441.37
  6. Step 6: Final answer
    x = 16,366.85

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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.