Home / 27,533.90-38,002.86-18,103.34

Finding the Fourth Proportional to 27,533.90, 38,002.86 and 18,103.34

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Solution

The fourth proportional to 27,533.90, 38,002.86 and 18,103.34 is: 24,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,533.90 : 38,002.86 = 18,103.34 : x
  2. Step 2: Convert to fraction form
    27,533.90/38,002.86 = 18,103.34/x
  3. Step 3: Cross multiply
    27,533.90x = 38,002.86 × 18,103.34
  4. Step 4: Simplify right side
    27,533.90x = 687,978,695.55
  5. Step 5: Solve for x
    x = 687,978,695.55/27,533.90
  6. Step 6: Final answer
    x = 24,986.61

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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.