Home / 28,529.18-42,793.88-7,752.68

Finding the Fourth Proportional to 28,529.18, 42,793.88 and 7,752.68

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Solution

The fourth proportional to 28,529.18, 42,793.88 and 7,752.68 is: 11,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.18 : 42,793.88 = 7,752.68 : x
  2. Step 2: Convert to fraction form
    28,529.18/42,793.88 = 7,752.68/x
  3. Step 3: Cross multiply
    28,529.18x = 42,793.88 × 7,752.68
  4. Step 4: Simplify right side
    28,529.18x = 331,767,257.60
  5. Step 5: Solve for x
    x = 331,767,257.60/28,529.18
  6. Step 6: Final answer
    x = 11,629.05

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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.