Home / 27,319.59-37,700.00-15,219.78

Finding the Fourth Proportional to 27,319.59, 37,700.00 and 15,219.78

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Solution

The fourth proportional to 27,319.59, 37,700.00 and 15,219.78 is: 21,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.59 : 37,700.00 = 15,219.78 : x
  2. Step 2: Convert to fraction form
    27,319.59/37,700.00 = 15,219.78/x
  3. Step 3: Cross multiply
    27,319.59x = 37,700.00 × 15,219.78
  4. Step 4: Simplify right side
    27,319.59x = 573,785,629.90
  5. Step 5: Solve for x
    x = 573,785,629.90/27,319.59
  6. Step 6: Final answer
    x = 21,002.72

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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.