Home / 28,981.47-43,459.66-10,008.11

Finding the Fourth Proportional to 28,981.47, 43,459.66 and 10,008.11

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Solution

The fourth proportional to 28,981.47, 43,459.66 and 10,008.11 is: 15,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.47 : 43,459.66 = 10,008.11 : x
  2. Step 2: Convert to fraction form
    28,981.47/43,459.66 = 10,008.11/x
  3. Step 3: Cross multiply
    28,981.47x = 43,459.66 × 10,008.11
  4. Step 4: Simplify right side
    28,981.47x = 434,948,962.69
  5. Step 5: Solve for x
    x = 434,948,962.69/28,981.47
  6. Step 6: Final answer
    x = 15,007.83

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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.