Home / 26,172-36,117.36-15,000.48

Finding the Fourth Proportional to 26,172, 36,117.36 and 15,000.48

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Solution

The fourth proportional to 26,172, 36,117.36 and 15,000.48 is: 20,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172 : 36,117.36 = 15,000.48 : x
  2. Step 2: Convert to fraction form
    26,172/36,117.36 = 15,000.48/x
  3. Step 3: Cross multiply
    26,172x = 36,117.36 × 15,000.48
  4. Step 4: Simplify right side
    26,172x = 541,777,736.33
  5. Step 5: Solve for x
    x = 541,777,736.33/26,172
  6. Step 6: Final answer
    x = 20,700.66

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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.