Home / 28,441.96-42,667.98-13,677.64

Finding the Fourth Proportional to 28,441.96, 42,667.98 and 13,677.64

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Solution

The fourth proportional to 28,441.96, 42,667.98 and 13,677.64 is: 20,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.96 : 42,667.98 = 13,677.64 : x
  2. Step 2: Convert to fraction form
    28,441.96/42,667.98 = 13,677.64/x
  3. Step 3: Cross multiply
    28,441.96x = 42,667.98 × 13,677.64
  4. Step 4: Simplify right side
    28,441.96x = 583,597,269.97
  5. Step 5: Solve for x
    x = 583,597,269.97/28,441.96
  6. Step 6: Final answer
    x = 20,518.88

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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.