Home / 15,627.68-23,440.32-5,765.12

Finding the Fourth Proportional to 15,627.68, 23,440.32 and 5,765.12

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Solution

The fourth proportional to 15,627.68, 23,440.32 and 5,765.12 is: 8,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.68 : 23,440.32 = 5,765.12 : x
  2. Step 2: Convert to fraction form
    15,627.68/23,440.32 = 5,765.12/x
  3. Step 3: Cross multiply
    15,627.68x = 23,440.32 × 5,765.12
  4. Step 4: Simplify right side
    15,627.68x = 135,136,257.64
  5. Step 5: Solve for x
    x = 135,136,257.64/15,627.68
  6. Step 6: Final answer
    x = 8,647.24

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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.