Home / 27,155.55-37,476.14-15,222.72

Finding the Fourth Proportional to 27,155.55, 37,476.14 and 15,222.72

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Solution

The fourth proportional to 27,155.55, 37,476.14 and 15,222.72 is: 21,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.55 : 37,476.14 = 15,222.72 : x
  2. Step 2: Convert to fraction form
    27,155.55/37,476.14 = 15,222.72/x
  3. Step 3: Cross multiply
    27,155.55x = 37,476.14 × 15,222.72
  4. Step 4: Simplify right side
    27,155.55x = 570,488,785.90
  5. Step 5: Solve for x
    x = 570,488,785.90/27,155.55
  6. Step 6: Final answer
    x = 21,008.18

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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.