Home / 26,204.22-36,156.20-15,591.78

Finding the Fourth Proportional to 26,204.22, 36,156.20 and 15,591.78

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Solution

The fourth proportional to 26,204.22, 36,156.20 and 15,591.78 is: 21,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,204.22 : 36,156.20 = 15,591.78 : x
  2. Step 2: Convert to fraction form
    26,204.22/36,156.20 = 15,591.78/x
  3. Step 3: Cross multiply
    26,204.22x = 36,156.20 × 15,591.78
  4. Step 4: Simplify right side
    26,204.22x = 563,739,438.08
  5. Step 5: Solve for x
    x = 563,739,438.08/26,204.22
  6. Step 6: Final answer
    x = 21,513.31

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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.