Home / 28,851.41-43,281.97-13,268.63

Finding the Fourth Proportional to 28,851.41, 43,281.97 and 13,268.63

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Solution

The fourth proportional to 28,851.41, 43,281.97 and 13,268.63 is: 19,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.41 : 43,281.97 = 13,268.63 : x
  2. Step 2: Convert to fraction form
    28,851.41/43,281.97 = 13,268.63/x
  3. Step 3: Cross multiply
    28,851.41x = 43,281.97 × 13,268.63
  4. Step 4: Simplify right side
    28,851.41x = 574,292,196.02
  5. Step 5: Solve for x
    x = 574,292,196.02/28,851.41
  6. Step 6: Final answer
    x = 19,905.17

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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.