Home / 27,103.12-37,400.50-15,002.79

Finding the Fourth Proportional to 27,103.12, 37,400.50 and 15,002.79

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Solution

The fourth proportional to 27,103.12, 37,400.50 and 15,002.79 is: 20,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.12 : 37,400.50 = 15,002.79 : x
  2. Step 2: Convert to fraction form
    27,103.12/37,400.50 = 15,002.79/x
  3. Step 3: Cross multiply
    27,103.12x = 37,400.50 × 15,002.79
  4. Step 4: Simplify right side
    27,103.12x = 561,111,725.90
  5. Step 5: Solve for x
    x = 561,111,725.90/27,103.12
  6. Step 6: Final answer
    x = 20,702.84

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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.