Home / 23,128.36-34,525.17-20,325.91

Finding the Fourth Proportional to 23,128.36, 34,525.17 and 20,325.91

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Solution

The fourth proportional to 23,128.36, 34,525.17 and 20,325.91 is: 30,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.36 : 34,525.17 = 20,325.91 : x
  2. Step 2: Convert to fraction form
    23,128.36/34,525.17 = 20,325.91/x
  3. Step 3: Cross multiply
    23,128.36x = 34,525.17 × 20,325.91
  4. Step 4: Simplify right side
    23,128.36x = 701,755,498.15
  5. Step 5: Solve for x
    x = 701,755,498.15/23,128.36
  6. Step 6: Final answer
    x = 30,341.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.