Home / 28,705.23-43,050.05-18,159.41

Finding the Fourth Proportional to 28,705.23, 43,050.05 and 18,159.41

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Solution

The fourth proportional to 28,705.23, 43,050.05 and 18,159.41 is: 27,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.23 : 43,050.05 = 18,159.41 : x
  2. Step 2: Convert to fraction form
    28,705.23/43,050.05 = 18,159.41/x
  3. Step 3: Cross multiply
    28,705.23x = 43,050.05 × 18,159.41
  4. Step 4: Simplify right side
    28,705.23x = 781,763,202.42
  5. Step 5: Solve for x
    x = 781,763,202.42/28,705.23
  6. Step 6: Final answer
    x = 27,234.17

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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.