Home / 28,392.40-42,556.31-17,274.59

Finding the Fourth Proportional to 28,392.40, 42,556.31 and 17,274.59

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Solution

The fourth proportional to 28,392.40, 42,556.31 and 17,274.59 is: 25,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.40 : 42,556.31 = 17,274.59 : x
  2. Step 2: Convert to fraction form
    28,392.40/42,556.31 = 17,274.59/x
  3. Step 3: Cross multiply
    28,392.40x = 42,556.31 × 17,274.59
  4. Step 4: Simplify right side
    28,392.40x = 735,142,508.01
  5. Step 5: Solve for x
    x = 735,142,508.01/28,392.40
  6. Step 6: Final answer
    x = 25,892.23

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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.