Home / 26,644.68-36,770.88-15,317.85

Finding the Fourth Proportional to 26,644.68, 36,770.88 and 15,317.85

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Solution

The fourth proportional to 26,644.68, 36,770.88 and 15,317.85 is: 21,139.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.68 : 36,770.88 = 15,317.85 : x
  2. Step 2: Convert to fraction form
    26,644.68/36,770.88 = 15,317.85/x
  3. Step 3: Cross multiply
    26,644.68x = 36,770.88 × 15,317.85
  4. Step 4: Simplify right side
    26,644.68x = 563,250,824.21
  5. Step 5: Solve for x
    x = 563,250,824.21/26,644.68
  6. Step 6: Final answer
    x = 21,139.34

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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.