Home / 26,401.69-36,428.66-15,649.95

Finding the Fourth Proportional to 26,401.69, 36,428.66 and 15,649.95

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Solution

The fourth proportional to 26,401.69, 36,428.66 and 15,649.95 is: 21,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.69 : 36,428.66 = 15,649.95 : x
  2. Step 2: Convert to fraction form
    26,401.69/36,428.66 = 15,649.95/x
  3. Step 3: Cross multiply
    26,401.69x = 36,428.66 × 15,649.95
  4. Step 4: Simplify right side
    26,401.69x = 570,106,688.00
  5. Step 5: Solve for x
    x = 570,106,688.00/26,401.69
  6. Step 6: Final answer
    x = 21,593.57

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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.