Home / 28,980.18-43,481.21-10,259.46

Finding the Fourth Proportional to 28,980.18, 43,481.21 and 10,259.46

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Solution

The fourth proportional to 28,980.18, 43,481.21 and 10,259.46 is: 15,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.18 : 43,481.21 = 10,259.46 : x
  2. Step 2: Convert to fraction form
    28,980.18/43,481.21 = 10,259.46/x
  3. Step 3: Cross multiply
    28,980.18x = 43,481.21 × 10,259.46
  4. Step 4: Simplify right side
    28,980.18x = 446,093,683.45
  5. Step 5: Solve for x
    x = 446,093,683.45/28,980.18
  6. Step 6: Final answer
    x = 15,393.06

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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.