Home / 28,943.46-43,415.22-9,222

Finding the Fourth Proportional to 28,943.46, 43,415.22 and 9,222

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Solution

The fourth proportional to 28,943.46, 43,415.22 and 9,222 is: 13,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.46 : 43,415.22 = 9,222 : x
  2. Step 2: Convert to fraction form
    28,943.46/43,415.22 = 9,222/x
  3. Step 3: Cross multiply
    28,943.46x = 43,415.22 × 9,222
  4. Step 4: Simplify right side
    28,943.46x = 400,375,158.84
  5. Step 5: Solve for x
    x = 400,375,158.84/28,943.46
  6. Step 6: Final answer
    x = 13,833.01

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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.