Home / 28,404.06-42,606.36-7,627.56

Finding the Fourth Proportional to 28,404.06, 42,606.36 and 7,627.56

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Solution

The fourth proportional to 28,404.06, 42,606.36 and 7,627.56 is: 11,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.06 : 42,606.36 = 7,627.56 : x
  2. Step 2: Convert to fraction form
    28,404.06/42,606.36 = 7,627.56/x
  3. Step 3: Cross multiply
    28,404.06x = 42,606.36 × 7,627.56
  4. Step 4: Simplify right side
    28,404.06x = 324,982,567.28
  5. Step 5: Solve for x
    x = 324,982,567.28/28,404.06
  6. Step 6: Final answer
    x = 11,441.41

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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.