Home / 28,454.24-42,667.70-13,448.86

Finding the Fourth Proportional to 28,454.24, 42,667.70 and 13,448.86

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Solution

The fourth proportional to 28,454.24, 42,667.70 and 13,448.86 is: 20,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.24 : 42,667.70 = 13,448.86 : x
  2. Step 2: Convert to fraction form
    28,454.24/42,667.70 = 13,448.86/x
  3. Step 3: Cross multiply
    28,454.24x = 42,667.70 × 13,448.86
  4. Step 4: Simplify right side
    28,454.24x = 573,831,923.82
  5. Step 5: Solve for x
    x = 573,831,923.82/28,454.24
  6. Step 6: Final answer
    x = 20,166.83

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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.