Home / 27,921.26-38,529.72-15,346.02

Finding the Fourth Proportional to 27,921.26, 38,529.72 and 15,346.02

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Solution

The fourth proportional to 27,921.26, 38,529.72 and 15,346.02 is: 21,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.26 : 38,529.72 = 15,346.02 : x
  2. Step 2: Convert to fraction form
    27,921.26/38,529.72 = 15,346.02/x
  3. Step 3: Cross multiply
    27,921.26x = 38,529.72 × 15,346.02
  4. Step 4: Simplify right side
    27,921.26x = 591,277,853.71
  5. Step 5: Solve for x
    x = 591,277,853.71/27,921.26
  6. Step 6: Final answer
    x = 21,176.62

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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.