Home / 27,319.20-37,700.58-15,382.50

Finding the Fourth Proportional to 27,319.20, 37,700.58 and 15,382.50

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Solution

The fourth proportional to 27,319.20, 37,700.58 and 15,382.50 is: 21,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.20 : 37,700.58 = 15,382.50 : x
  2. Step 2: Convert to fraction form
    27,319.20/37,700.58 = 15,382.50/x
  3. Step 3: Cross multiply
    27,319.20x = 37,700.58 × 15,382.50
  4. Step 4: Simplify right side
    27,319.20x = 579,929,171.85
  5. Step 5: Solve for x
    x = 579,929,171.85/27,319.20
  6. Step 6: Final answer
    x = 21,227.90

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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.