Home / 27,255.50-37,610.72-15,320.63

Finding the Fourth Proportional to 27,255.50, 37,610.72 and 15,320.63

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Solution

The fourth proportional to 27,255.50, 37,610.72 and 15,320.63 is: 21,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.50 : 37,610.72 = 15,320.63 : x
  2. Step 2: Convert to fraction form
    27,255.50/37,610.72 = 15,320.63/x
  3. Step 3: Cross multiply
    27,255.50x = 37,610.72 × 15,320.63
  4. Step 4: Simplify right side
    27,255.50x = 576,219,925.15
  5. Step 5: Solve for x
    x = 576,219,925.15/27,255.50
  6. Step 6: Final answer
    x = 21,141.42

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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.