Home / 27,941.58-38,560.23-15,366.78

Finding the Fourth Proportional to 27,941.58, 38,560.23 and 15,366.78

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Solution

The fourth proportional to 27,941.58, 38,560.23 and 15,366.78 is: 21,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.58 : 38,560.23 = 15,366.78 : x
  2. Step 2: Convert to fraction form
    27,941.58/38,560.23 = 15,366.78/x
  3. Step 3: Cross multiply
    27,941.58x = 38,560.23 × 15,366.78
  4. Step 4: Simplify right side
    27,941.58x = 592,546,571.16
  5. Step 5: Solve for x
    x = 592,546,571.16/27,941.58
  6. Step 6: Final answer
    x = 21,206.62

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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.