Home / 26,398.17-36,441.42-15,644.79

Finding the Fourth Proportional to 26,398.17, 36,441.42 and 15,644.79

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Solution

The fourth proportional to 26,398.17, 36,441.42 and 15,644.79 is: 21,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.17 : 36,441.42 = 15,644.79 : x
  2. Step 2: Convert to fraction form
    26,398.17/36,441.42 = 15,644.79/x
  3. Step 3: Cross multiply
    26,398.17x = 36,441.42 × 15,644.79
  4. Step 4: Simplify right side
    26,398.17x = 570,118,180.99
  5. Step 5: Solve for x
    x = 570,118,180.99/26,398.17
  6. Step 6: Final answer
    x = 21,596.89

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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.