Home / 36,997.56-55,397.91-28,911.72

Finding the Fourth Proportional to 36,997.56, 55,397.91 and 28,911.72

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Solution

The fourth proportional to 36,997.56, 55,397.91 and 28,911.72 is: 43,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,997.56 : 55,397.91 = 28,911.72 : x
  2. Step 2: Convert to fraction form
    36,997.56/55,397.91 = 28,911.72/x
  3. Step 3: Cross multiply
    36,997.56x = 55,397.91 × 28,911.72
  4. Step 4: Simplify right side
    36,997.56x = 1,601,648,862.51
  5. Step 5: Solve for x
    x = 1,601,648,862.51/36,997.56
  6. Step 6: Final answer
    x = 43,290.66

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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.