Home / 25,610.23-38,429.93-20,448.91

Finding the Fourth Proportional to 25,610.23, 38,429.93 and 20,448.91

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Solution

The fourth proportional to 25,610.23, 38,429.93 and 20,448.91 is: 30,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.23 : 38,429.93 = 20,448.91 : x
  2. Step 2: Convert to fraction form
    25,610.23/38,429.93 = 20,448.91/x
  3. Step 3: Cross multiply
    25,610.23x = 38,429.93 × 20,448.91
  4. Step 4: Simplify right side
    25,610.23x = 785,850,179.88
  5. Step 5: Solve for x
    x = 785,850,179.88/25,610.23
  6. Step 6: Final answer
    x = 30,685.01

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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.