Home / 87,533.57-131,272.81-28,355.51

Finding the Fourth Proportional to 87,533.57, 131,272.81 and 28,355.51

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Solution

The fourth proportional to 87,533.57, 131,272.81 and 28,355.51 is: 42,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,533.57 : 131,272.81 = 28,355.51 : x
  2. Step 2: Convert to fraction form
    87,533.57/131,272.81 = 28,355.51/x
  3. Step 3: Cross multiply
    87,533.57x = 131,272.81 × 28,355.51
  4. Step 4: Simplify right side
    87,533.57x = 3,722,306,749.43
  5. Step 5: Solve for x
    x = 3,722,306,749.43/87,533.57
  6. Step 6: Final answer
    x = 42,524.34

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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.