Home / 26,487.21-36,543.43-15,000.55

Finding the Fourth Proportional to 26,487.21, 36,543.43 and 15,000.55

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Solution

The fourth proportional to 26,487.21, 36,543.43 and 15,000.55 is: 20,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.21 : 36,543.43 = 15,000.55 : x
  2. Step 2: Convert to fraction form
    26,487.21/36,543.43 = 15,000.55/x
  3. Step 3: Cross multiply
    26,487.21x = 36,543.43 × 15,000.55
  4. Step 4: Simplify right side
    26,487.21x = 548,171,511.39
  5. Step 5: Solve for x
    x = 548,171,511.39/26,487.21
  6. Step 6: Final answer
    x = 20,695.71

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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.