Home / 26,717.04-36,869.58-15,390

Finding the Fourth Proportional to 26,717.04, 36,869.58 and 15,390

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Solution

The fourth proportional to 26,717.04, 36,869.58 and 15,390 is: 21,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.04 : 36,869.58 = 15,390 : x
  2. Step 2: Convert to fraction form
    26,717.04/36,869.58 = 15,390/x
  3. Step 3: Cross multiply
    26,717.04x = 36,869.58 × 15,390
  4. Step 4: Simplify right side
    26,717.04x = 567,422,836.20
  5. Step 5: Solve for x
    x = 567,422,836.20/26,717.04
  6. Step 6: Final answer
    x = 21,238.24

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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.