Home / 28,316.96-42,475.44-7,542.56

Finding the Fourth Proportional to 28,316.96, 42,475.44 and 7,542.56

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Solution

The fourth proportional to 28,316.96, 42,475.44 and 7,542.56 is: 11,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.96 : 42,475.44 = 7,542.56 : x
  2. Step 2: Convert to fraction form
    28,316.96/42,475.44 = 7,542.56/x
  3. Step 3: Cross multiply
    28,316.96x = 42,475.44 × 7,542.56
  4. Step 4: Simplify right side
    28,316.96x = 320,373,554.73
  5. Step 5: Solve for x
    x = 320,373,554.73/28,316.96
  6. Step 6: Final answer
    x = 11,313.84

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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.