Home / 26,021.58-39,032.30-20,107.06

Finding the Fourth Proportional to 26,021.58, 39,032.30 and 20,107.06

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Solution

The fourth proportional to 26,021.58, 39,032.30 and 20,107.06 is: 30,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.58 : 39,032.30 = 20,107.06 : x
  2. Step 2: Convert to fraction form
    26,021.58/39,032.30 = 20,107.06/x
  3. Step 3: Cross multiply
    26,021.58x = 39,032.30 × 20,107.06
  4. Step 4: Simplify right side
    26,021.58x = 784,824,798.04
  5. Step 5: Solve for x
    x = 784,824,798.04/26,021.58
  6. Step 6: Final answer
    x = 30,160.54

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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.