Home / 27,552.87-38,023.76-15,615.81

Finding the Fourth Proportional to 27,552.87, 38,023.76 and 15,615.81

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Solution

The fourth proportional to 27,552.87, 38,023.76 and 15,615.81 is: 21,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,552.87 : 38,023.76 = 15,615.81 : x
  2. Step 2: Convert to fraction form
    27,552.87/38,023.76 = 15,615.81/x
  3. Step 3: Cross multiply
    27,552.87x = 38,023.76 × 15,615.81
  4. Step 4: Simplify right side
    27,552.87x = 593,771,850.69
  5. Step 5: Solve for x
    x = 593,771,850.69/27,552.87
  6. Step 6: Final answer
    x = 21,550.27

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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.