Home / 25,729.02-38,588.94-13,877.28

Finding the Fourth Proportional to 25,729.02, 38,588.94 and 13,877.28

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Solution

The fourth proportional to 25,729.02, 38,588.94 and 13,877.28 is: 20,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.02 : 38,588.94 = 13,877.28 : x
  2. Step 2: Convert to fraction form
    25,729.02/38,588.94 = 13,877.28/x
  3. Step 3: Cross multiply
    25,729.02x = 38,588.94 × 13,877.28
  4. Step 4: Simplify right side
    25,729.02x = 535,509,525.28
  5. Step 5: Solve for x
    x = 535,509,525.28/25,729.02
  6. Step 6: Final answer
    x = 20,813.44

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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.