Home / 26,510.40-36,582.66-15,179.88

Finding the Fourth Proportional to 26,510.40, 36,582.66 and 15,179.88

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Solution

The fourth proportional to 26,510.40, 36,582.66 and 15,179.88 is: 20,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.40 : 36,582.66 = 15,179.88 : x
  2. Step 2: Convert to fraction form
    26,510.40/36,582.66 = 15,179.88/x
  3. Step 3: Cross multiply
    26,510.40x = 36,582.66 × 15,179.88
  4. Step 4: Simplify right side
    26,510.40x = 555,320,388.88
  5. Step 5: Solve for x
    x = 555,320,388.88/26,510.40
  6. Step 6: Final answer
    x = 20,947.27

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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.