Home / 26,799.21-36,984.11-14,861.75

Finding the Fourth Proportional to 26,799.21, 36,984.11 and 14,861.75

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Solution

The fourth proportional to 26,799.21, 36,984.11 and 14,861.75 is: 20,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.21 : 36,984.11 = 14,861.75 : x
  2. Step 2: Convert to fraction form
    26,799.21/36,984.11 = 14,861.75/x
  3. Step 3: Cross multiply
    26,799.21x = 36,984.11 × 14,861.75
  4. Step 4: Simplify right side
    26,799.21x = 549,648,337.56
  5. Step 5: Solve for x
    x = 549,648,337.56/26,799.21
  6. Step 6: Final answer
    x = 20,509.87

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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.