Home / 28,850.16-39,808.41-19,274.64

Finding the Fourth Proportional to 28,850.16, 39,808.41 and 19,274.64

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Solution

The fourth proportional to 28,850.16, 39,808.41 and 19,274.64 is: 26,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.16 : 39,808.41 = 19,274.64 : x
  2. Step 2: Convert to fraction form
    28,850.16/39,808.41 = 19,274.64/x
  3. Step 3: Cross multiply
    28,850.16x = 39,808.41 × 19,274.64
  4. Step 4: Simplify right side
    28,850.16x = 767,292,771.72
  5. Step 5: Solve for x
    x = 767,292,771.72/28,850.16
  6. Step 6: Final answer
    x = 26,595.79

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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.