Home / 28,936.10-43,406.55-9,214.10

Finding the Fourth Proportional to 28,936.10, 43,406.55 and 9,214.10

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Solution

The fourth proportional to 28,936.10, 43,406.55 and 9,214.10 is: 13,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.10 : 43,406.55 = 9,214.10 : x
  2. Step 2: Convert to fraction form
    28,936.10/43,406.55 = 9,214.10/x
  3. Step 3: Cross multiply
    28,936.10x = 43,406.55 × 9,214.10
  4. Step 4: Simplify right side
    28,936.10x = 399,952,292.36
  5. Step 5: Solve for x
    x = 399,952,292.36/28,936.10
  6. Step 6: Final answer
    x = 13,821.91

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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.