Home / 26,121.72-36,047.34-14,943

Finding the Fourth Proportional to 26,121.72, 36,047.34 and 14,943

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Solution

The fourth proportional to 26,121.72, 36,047.34 and 14,943 is: 20,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.72 : 36,047.34 = 14,943 : x
  2. Step 2: Convert to fraction form
    26,121.72/36,047.34 = 14,943/x
  3. Step 3: Cross multiply
    26,121.72x = 36,047.34 × 14,943
  4. Step 4: Simplify right side
    26,121.72x = 538,655,401.62
  5. Step 5: Solve for x
    x = 538,655,401.62/26,121.72
  6. Step 6: Final answer
    x = 20,620.98

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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.