Home / 26,401.67-36,434.31-15,793.81

Finding the Fourth Proportional to 26,401.67, 36,434.31 and 15,793.81

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Solution

The fourth proportional to 26,401.67, 36,434.31 and 15,793.81 is: 21,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.67 : 36,434.31 = 15,793.81 : x
  2. Step 2: Convert to fraction form
    26,401.67/36,434.31 = 15,793.81/x
  3. Step 3: Cross multiply
    26,401.67x = 36,434.31 × 15,793.81
  4. Step 4: Simplify right side
    26,401.67x = 575,436,569.62
  5. Step 5: Solve for x
    x = 575,436,569.62/26,401.67
  6. Step 6: Final answer
    x = 21,795.46

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1.5x scale

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.