Home / 28,973.54-39,984.10-17,643.52

Finding the Fourth Proportional to 28,973.54, 39,984.10 and 17,643.52

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Solution

The fourth proportional to 28,973.54, 39,984.10 and 17,643.52 is: 24,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.54 : 39,984.10 = 17,643.52 : x
  2. Step 2: Convert to fraction form
    28,973.54/39,984.10 = 17,643.52/x
  3. Step 3: Cross multiply
    28,973.54x = 39,984.10 × 17,643.52
  4. Step 4: Simplify right side
    28,973.54x = 705,460,268.03
  5. Step 5: Solve for x
    x = 705,460,268.03/28,973.54
  6. Step 6: Final answer
    x = 24,348.43

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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.