Home / 28,217.25-42,345.36-9,749.25

Finding the Fourth Proportional to 28,217.25, 42,345.36 and 9,749.25

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Solution

The fourth proportional to 28,217.25, 42,345.36 and 9,749.25 is: 14,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.25 : 42,345.36 = 9,749.25 : x
  2. Step 2: Convert to fraction form
    28,217.25/42,345.36 = 9,749.25/x
  3. Step 3: Cross multiply
    28,217.25x = 42,345.36 × 9,749.25
  4. Step 4: Simplify right side
    28,217.25x = 412,835,500.98
  5. Step 5: Solve for x
    x = 412,835,500.98/28,217.25
  6. Step 6: Final answer
    x = 14,630.61

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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.