Home / 28,851.03-43,281.81-13,268.25

Finding the Fourth Proportional to 28,851.03, 43,281.81 and 13,268.25

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Solution

The fourth proportional to 28,851.03, 43,281.81 and 13,268.25 is: 19,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.03 : 43,281.81 = 13,268.25 : x
  2. Step 2: Convert to fraction form
    28,851.03/43,281.81 = 13,268.25/x
  3. Step 3: Cross multiply
    28,851.03x = 43,281.81 × 13,268.25
  4. Step 4: Simplify right side
    28,851.03x = 574,273,875.53
  5. Step 5: Solve for x
    x = 574,273,875.53/28,851.03
  6. Step 6: Final answer
    x = 19,904.80

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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.