Home / 23,785.48-32,750.68-21,128.28

Finding the Fourth Proportional to 23,785.48, 32,750.68 and 21,128.28

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Solution

The fourth proportional to 23,785.48, 32,750.68 and 21,128.28 is: 29,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,785.48 : 32,750.68 = 21,128.28 : x
  2. Step 2: Convert to fraction form
    23,785.48/32,750.68 = 21,128.28/x
  3. Step 3: Cross multiply
    23,785.48x = 32,750.68 × 21,128.28
  4. Step 4: Simplify right side
    23,785.48x = 691,965,537.23
  5. Step 5: Solve for x
    x = 691,965,537.23/23,785.48
  6. Step 6: Final answer
    x = 29,091.93

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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.