Home / 19,556.64-26,998.65-15,103.44

Finding the Fourth Proportional to 19,556.64, 26,998.65 and 15,103.44

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Solution

The fourth proportional to 19,556.64, 26,998.65 and 15,103.44 is: 20,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.64 : 26,998.65 = 15,103.44 : x
  2. Step 2: Convert to fraction form
    19,556.64/26,998.65 = 15,103.44/x
  3. Step 3: Cross multiply
    19,556.64x = 26,998.65 × 15,103.44
  4. Step 4: Simplify right side
    19,556.64x = 407,772,490.36
  5. Step 5: Solve for x
    x = 407,772,490.36/19,556.64
  6. Step 6: Final answer
    x = 20,850.85

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1.5x scale

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.