Home / 23,868.64-32,939.76-13,259.28

Finding the Fourth Proportional to 23,868.64, 32,939.76 and 13,259.28

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Solution

The fourth proportional to 23,868.64, 32,939.76 and 13,259.28 is: 18,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,868.64 : 32,939.76 = 13,259.28 : x
  2. Step 2: Convert to fraction form
    23,868.64/32,939.76 = 13,259.28/x
  3. Step 3: Cross multiply
    23,868.64x = 32,939.76 × 13,259.28
  4. Step 4: Simplify right side
    23,868.64x = 436,757,500.97
  5. Step 5: Solve for x
    x = 436,757,500.97/23,868.64
  6. Step 6: Final answer
    x = 18,298.38

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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.