Home / 26,710.47-36,863.94-15,380.43

Finding the Fourth Proportional to 26,710.47, 36,863.94 and 15,380.43

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Solution

The fourth proportional to 26,710.47, 36,863.94 and 15,380.43 is: 21,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,710.47 : 36,863.94 = 15,380.43 : x
  2. Step 2: Convert to fraction form
    26,710.47/36,863.94 = 15,380.43/x
  3. Step 3: Cross multiply
    26,710.47x = 36,863.94 × 15,380.43
  4. Step 4: Simplify right side
    26,710.47x = 566,983,248.69
  5. Step 5: Solve for x
    x = 566,983,248.69/26,710.47
  6. Step 6: Final answer
    x = 21,227.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.