Home / 28,755.45-43,088.33-18,203.18

Finding the Fourth Proportional to 28,755.45, 43,088.33 and 18,203.18

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Solution

The fourth proportional to 28,755.45, 43,088.33 and 18,203.18 is: 27,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.45 : 43,088.33 = 18,203.18 : x
  2. Step 2: Convert to fraction form
    28,755.45/43,088.33 = 18,203.18/x
  3. Step 3: Cross multiply
    28,755.45x = 43,088.33 × 18,203.18
  4. Step 4: Simplify right side
    28,755.45x = 784,344,320.43
  5. Step 5: Solve for x
    x = 784,344,320.43/28,755.45
  6. Step 6: Final answer
    x = 27,276.37

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1.5x scale

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.