Home / 27,138.12-37,452.93-15,203.91

Finding the Fourth Proportional to 27,138.12, 37,452.93 and 15,203.91

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Solution

The fourth proportional to 27,138.12, 37,452.93 and 15,203.91 is: 20,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.12 : 37,452.93 = 15,203.91 : x
  2. Step 2: Convert to fraction form
    27,138.12/37,452.93 = 15,203.91/x
  3. Step 3: Cross multiply
    27,138.12x = 37,452.93 × 15,203.91
  4. Step 4: Simplify right side
    27,138.12x = 569,430,976.96
  5. Step 5: Solve for x
    x = 569,430,976.96/27,138.12
  6. Step 6: Final answer
    x = 20,982.70

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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.