Home / 27,645.10-38,150.36-15,069.86

Finding the Fourth Proportional to 27,645.10, 38,150.36 and 15,069.86

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Solution

The fourth proportional to 27,645.10, 38,150.36 and 15,069.86 is: 20,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.10 : 38,150.36 = 15,069.86 : x
  2. Step 2: Convert to fraction form
    27,645.10/38,150.36 = 15,069.86/x
  3. Step 3: Cross multiply
    27,645.10x = 38,150.36 × 15,069.86
  4. Step 4: Simplify right side
    27,645.10x = 574,920,584.15
  5. Step 5: Solve for x
    x = 574,920,584.15/27,645.10
  6. Step 6: Final answer
    x = 20,796.47

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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.