Home / 27,552.60-38,022.18-15,615.72

Finding the Fourth Proportional to 27,552.60, 38,022.18 and 15,615.72

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Solution

The fourth proportional to 27,552.60, 38,022.18 and 15,615.72 is: 21,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,552.60 : 38,022.18 = 15,615.72 : x
  2. Step 2: Convert to fraction form
    27,552.60/38,022.18 = 15,615.72/x
  3. Step 3: Cross multiply
    27,552.60x = 38,022.18 × 15,615.72
  4. Step 4: Simplify right side
    27,552.60x = 593,743,716.67
  5. Step 5: Solve for x
    x = 593,743,716.67/27,552.60
  6. Step 6: Final answer
    x = 21,549.46

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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.