Home / 25,689.43-38,473.46-17,762.43

Finding the Fourth Proportional to 25,689.43, 38,473.46 and 17,762.43

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Solution

The fourth proportional to 25,689.43, 38,473.46 and 17,762.43 is: 26,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.43 : 38,473.46 = 17,762.43 : x
  2. Step 2: Convert to fraction form
    25,689.43/38,473.46 = 17,762.43/x
  3. Step 3: Cross multiply
    25,689.43x = 38,473.46 × 17,762.43
  4. Step 4: Simplify right side
    25,689.43x = 683,382,140.11
  5. Step 5: Solve for x
    x = 683,382,140.11/25,689.43
  6. Step 6: Final answer
    x = 26,601.69

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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.