Home / 29,100.80-43,541.28-17,816

Finding the Fourth Proportional to 29,100.80, 43,541.28 and 17,816

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Solution

The fourth proportional to 29,100.80, 43,541.28 and 17,816 is: 26,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.80 : 43,541.28 = 17,816 : x
  2. Step 2: Convert to fraction form
    29,100.80/43,541.28 = 17,816/x
  3. Step 3: Cross multiply
    29,100.80x = 43,541.28 × 17,816
  4. Step 4: Simplify right side
    29,100.80x = 775,731,444.48
  5. Step 5: Solve for x
    x = 775,731,444.48/29,100.80
  6. Step 6: Final answer
    x = 26,656.71

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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.