Home / 28,723.31-43,084.57-10,003

Finding the Fourth Proportional to 28,723.31, 43,084.57 and 10,003

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Solution

The fourth proportional to 28,723.31, 43,084.57 and 10,003 is: 15,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.31 : 43,084.57 = 10,003 : x
  2. Step 2: Convert to fraction form
    28,723.31/43,084.57 = 10,003/x
  3. Step 3: Cross multiply
    28,723.31x = 43,084.57 × 10,003
  4. Step 4: Simplify right side
    28,723.31x = 430,974,953.71
  5. Step 5: Solve for x
    x = 430,974,953.71/28,723.31
  6. Step 6: Final answer
    x = 15,004.36

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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.