Home / 28,305.76-42,458.70-7,529.26

Finding the Fourth Proportional to 28,305.76, 42,458.70 and 7,529.26

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Solution

The fourth proportional to 28,305.76, 42,458.70 and 7,529.26 is: 11,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.76 : 42,458.70 = 7,529.26 : x
  2. Step 2: Convert to fraction form
    28,305.76/42,458.70 = 7,529.26/x
  3. Step 3: Cross multiply
    28,305.76x = 42,458.70 × 7,529.26
  4. Step 4: Simplify right side
    28,305.76x = 319,682,591.56
  5. Step 5: Solve for x
    x = 319,682,591.56/28,305.76
  6. Step 6: Final answer
    x = 11,293.91

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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.