Home / 38,689.79-58,035.37-13,731.26

Finding the Fourth Proportional to 38,689.79, 58,035.37 and 13,731.26

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Solution

The fourth proportional to 38,689.79, 58,035.37 and 13,731.26 is: 20,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.79 : 58,035.37 = 13,731.26 : x
  2. Step 2: Convert to fraction form
    38,689.79/58,035.37 = 13,731.26/x
  3. Step 3: Cross multiply
    38,689.79x = 58,035.37 × 13,731.26
  4. Step 4: Simplify right side
    38,689.79x = 796,898,754.67
  5. Step 5: Solve for x
    x = 796,898,754.67/38,689.79
  6. Step 6: Final answer
    x = 20,597.13

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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.