Home / 23,105.36-31,818.24-20,079.08

Finding the Fourth Proportional to 23,105.36, 31,818.24 and 20,079.08

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Solution

The fourth proportional to 23,105.36, 31,818.24 and 20,079.08 is: 27,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,105.36 : 31,818.24 = 20,079.08 : x
  2. Step 2: Convert to fraction form
    23,105.36/31,818.24 = 20,079.08/x
  3. Step 3: Cross multiply
    23,105.36x = 31,818.24 × 20,079.08
  4. Step 4: Simplify right side
    23,105.36x = 638,880,986.42
  5. Step 5: Solve for x
    x = 638,880,986.42/23,105.36
  6. Step 6: Final answer
    x = 27,650.77

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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.