Home / 20,928.52-31,336.62-11,047.24

Finding the Fourth Proportional to 20,928.52, 31,336.62 and 11,047.24

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Solution

The fourth proportional to 20,928.52, 31,336.62 and 11,047.24 is: 16,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,928.52 : 31,336.62 = 11,047.24 : x
  2. Step 2: Convert to fraction form
    20,928.52/31,336.62 = 11,047.24/x
  3. Step 3: Cross multiply
    20,928.52x = 31,336.62 × 11,047.24
  4. Step 4: Simplify right side
    20,928.52x = 346,183,161.93
  5. Step 5: Solve for x
    x = 346,183,161.93/20,928.52
  6. Step 6: Final answer
    x = 16,541.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.