Home / 36,115.72-54,168.04-13,925.87

Finding the Fourth Proportional to 36,115.72, 54,168.04 and 13,925.87

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Solution

The fourth proportional to 36,115.72, 54,168.04 and 13,925.87 is: 20,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.72 : 54,168.04 = 13,925.87 : x
  2. Step 2: Convert to fraction form
    36,115.72/54,168.04 = 13,925.87/x
  3. Step 3: Cross multiply
    36,115.72x = 54,168.04 × 13,925.87
  4. Step 4: Simplify right side
    36,115.72x = 754,337,337.59
  5. Step 5: Solve for x
    x = 754,337,337.59/36,115.72
  6. Step 6: Final answer
    x = 20,886.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.