Home / 43,717.87-65,573.56-17,428.51

Finding the Fourth Proportional to 43,717.87, 65,573.56 and 17,428.51

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Solution

The fourth proportional to 43,717.87, 65,573.56 and 17,428.51 is: 26,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,717.87 : 65,573.56 = 17,428.51 : x
  2. Step 2: Convert to fraction form
    43,717.87/65,573.56 = 17,428.51/x
  3. Step 3: Cross multiply
    43,717.87x = 65,573.56 × 17,428.51
  4. Step 4: Simplify right side
    43,717.87x = 1,142,849,446.20
  5. Step 5: Solve for x
    x = 1,142,849,446.20/43,717.87
  6. Step 6: Final answer
    x = 26,141.47

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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.