Home / 26,538.88-36,624-15,358.72

Finding the Fourth Proportional to 26,538.88, 36,624 and 15,358.72

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Solution

The fourth proportional to 26,538.88, 36,624 and 15,358.72 is: 21,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.88 : 36,624 = 15,358.72 : x
  2. Step 2: Convert to fraction form
    26,538.88/36,624 = 15,358.72/x
  3. Step 3: Cross multiply
    26,538.88x = 36,624 × 15,358.72
  4. Step 4: Simplify right side
    26,538.88x = 562,497,761.28
  5. Step 5: Solve for x
    x = 562,497,761.28/26,538.88
  6. Step 6: Final answer
    x = 21,195.23

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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.