Home / 28,532.08-42,801.32-7,755.76

Finding the Fourth Proportional to 28,532.08, 42,801.32 and 7,755.76

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Solution

The fourth proportional to 28,532.08, 42,801.32 and 7,755.76 is: 11,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.08 : 42,801.32 = 7,755.76 : x
  2. Step 2: Convert to fraction form
    28,532.08/42,801.32 = 7,755.76/x
  3. Step 3: Cross multiply
    28,532.08x = 42,801.32 × 7,755.76
  4. Step 4: Simplify right side
    28,532.08x = 331,956,765.60
  5. Step 5: Solve for x
    x = 331,956,765.60/28,532.08
  6. Step 6: Final answer
    x = 11,634.51

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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.