Home / 28,330.32-42,495.48-7,553.82

Finding the Fourth Proportional to 28,330.32, 42,495.48 and 7,553.82

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Solution

The fourth proportional to 28,330.32, 42,495.48 and 7,553.82 is: 11,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.32 : 42,495.48 = 7,553.82 : x
  2. Step 2: Convert to fraction form
    28,330.32/42,495.48 = 7,553.82/x
  3. Step 3: Cross multiply
    28,330.32x = 42,495.48 × 7,553.82
  4. Step 4: Simplify right side
    28,330.32x = 321,003,206.73
  5. Step 5: Solve for x
    x = 321,003,206.73/28,330.32
  6. Step 6: Final answer
    x = 11,330.73

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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.