Home / 36,015.08-54,031.26-13,828.64

Finding the Fourth Proportional to 36,015.08, 54,031.26 and 13,828.64

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Solution

The fourth proportional to 36,015.08, 54,031.26 and 13,828.64 is: 20,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.08 : 54,031.26 = 13,828.64 : x
  2. Step 2: Convert to fraction form
    36,015.08/54,031.26 = 13,828.64/x
  3. Step 3: Cross multiply
    36,015.08x = 54,031.26 × 13,828.64
  4. Step 4: Simplify right side
    36,015.08x = 747,178,843.29
  5. Step 5: Solve for x
    x = 747,178,843.29/36,015.08
  6. Step 6: Final answer
    x = 20,746.28

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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.