Home / 28,935.39-43,335.03-14,097.81

Finding the Fourth Proportional to 28,935.39, 43,335.03 and 14,097.81

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Solution

The fourth proportional to 28,935.39, 43,335.03 and 14,097.81 is: 21,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.39 : 43,335.03 = 14,097.81 : x
  2. Step 2: Convert to fraction form
    28,935.39/43,335.03 = 14,097.81/x
  3. Step 3: Cross multiply
    28,935.39x = 43,335.03 × 14,097.81
  4. Step 4: Simplify right side
    28,935.39x = 610,929,019.28
  5. Step 5: Solve for x
    x = 610,929,019.28/28,935.39
  6. Step 6: Final answer
    x = 21,113.56

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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.