Home / 27,921.59-38,532.09-15,174.77

Finding the Fourth Proportional to 27,921.59, 38,532.09 and 15,174.77

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Solution

The fourth proportional to 27,921.59, 38,532.09 and 15,174.77 is: 20,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.59 : 38,532.09 = 15,174.77 : x
  2. Step 2: Convert to fraction form
    27,921.59/38,532.09 = 15,174.77/x
  3. Step 3: Cross multiply
    27,921.59x = 38,532.09 × 15,174.77
  4. Step 4: Simplify right side
    27,921.59x = 584,715,416.57
  5. Step 5: Solve for x
    x = 584,715,416.57/27,921.59
  6. Step 6: Final answer
    x = 20,941.34

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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.