Home / 27,379.52-37,784.30-15,440.57

Finding the Fourth Proportional to 27,379.52, 37,784.30 and 15,440.57

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Solution

The fourth proportional to 27,379.52, 37,784.30 and 15,440.57 is: 21,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.52 : 37,784.30 = 15,440.57 : x
  2. Step 2: Convert to fraction form
    27,379.52/37,784.30 = 15,440.57/x
  3. Step 3: Cross multiply
    27,379.52x = 37,784.30 × 15,440.57
  4. Step 4: Simplify right side
    27,379.52x = 583,410,862.93
  5. Step 5: Solve for x
    x = 583,410,862.93/27,379.52
  6. Step 6: Final answer
    x = 21,308.30

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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.