Home / 25,556.02-38,321.89-8,914.03

Finding the Fourth Proportional to 25,556.02, 38,321.89 and 8,914.03

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Solution

The fourth proportional to 25,556.02, 38,321.89 and 8,914.03 is: 13,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.02 : 38,321.89 = 8,914.03 : x
  2. Step 2: Convert to fraction form
    25,556.02/38,321.89 = 8,914.03/x
  3. Step 3: Cross multiply
    25,556.02x = 38,321.89 × 8,914.03
  4. Step 4: Simplify right side
    25,556.02x = 341,602,477.12
  5. Step 5: Solve for x
    x = 341,602,477.12/25,556.02
  6. Step 6: Final answer
    x = 13,366.81

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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.