Home / 28,936.08-43,410.66-9,215.76

Finding the Fourth Proportional to 28,936.08, 43,410.66 and 9,215.76

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Solution

The fourth proportional to 28,936.08, 43,410.66 and 9,215.76 is: 13,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.08 : 43,410.66 = 9,215.76 : x
  2. Step 2: Convert to fraction form
    28,936.08/43,410.66 = 9,215.76/x
  3. Step 3: Cross multiply
    28,936.08x = 43,410.66 × 9,215.76
  4. Step 4: Simplify right side
    28,936.08x = 400,062,224.00
  5. Step 5: Solve for x
    x = 400,062,224.00/28,936.08
  6. Step 6: Final answer
    x = 13,825.72

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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.