Home / 27,553.60-38,023.56-15,616.72

Finding the Fourth Proportional to 27,553.60, 38,023.56 and 15,616.72

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Solution

The fourth proportional to 27,553.60, 38,023.56 and 15,616.72 is: 21,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.60 : 38,023.56 = 15,616.72 : x
  2. Step 2: Convert to fraction form
    27,553.60/38,023.56 = 15,616.72/x
  3. Step 3: Cross multiply
    27,553.60x = 38,023.56 × 15,616.72
  4. Step 4: Simplify right side
    27,553.60x = 593,803,289.92
  5. Step 5: Solve for x
    x = 593,803,289.92/27,553.60
  6. Step 6: Final answer
    x = 21,550.84

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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.