Home / 28,765.36-43,147.68-15,700.96

Finding the Fourth Proportional to 28,765.36, 43,147.68 and 15,700.96

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Solution

The fourth proportional to 28,765.36, 43,147.68 and 15,700.96 is: 23,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.36 : 43,147.68 = 15,700.96 : x
  2. Step 2: Convert to fraction form
    28,765.36/43,147.68 = 15,700.96/x
  3. Step 3: Cross multiply
    28,765.36x = 43,147.68 × 15,700.96
  4. Step 4: Simplify right side
    28,765.36x = 677,459,997.77
  5. Step 5: Solve for x
    x = 677,459,997.77/28,765.36
  6. Step 6: Final answer
    x = 23,551.24

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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.