Home / 28,556.64-39,371.52-18,468

Finding the Fourth Proportional to 28,556.64, 39,371.52 and 18,468

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Solution

The fourth proportional to 28,556.64, 39,371.52 and 18,468 is: 25,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.64 : 39,371.52 = 18,468 : x
  2. Step 2: Convert to fraction form
    28,556.64/39,371.52 = 18,468/x
  3. Step 3: Cross multiply
    28,556.64x = 39,371.52 × 18,468
  4. Step 4: Simplify right side
    28,556.64x = 727,113,231.36
  5. Step 5: Solve for x
    x = 727,113,231.36/28,556.64
  6. Step 6: Final answer
    x = 25,462.14

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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.