Home / 28,693.52-39,598.08-16,118

Finding the Fourth Proportional to 28,693.52, 39,598.08 and 16,118

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Solution

The fourth proportional to 28,693.52, 39,598.08 and 16,118 is: 22,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.52 : 39,598.08 = 16,118 : x
  2. Step 2: Convert to fraction form
    28,693.52/39,598.08 = 16,118/x
  3. Step 3: Cross multiply
    28,693.52x = 39,598.08 × 16,118
  4. Step 4: Simplify right side
    28,693.52x = 638,241,853.44
  5. Step 5: Solve for x
    x = 638,241,853.44/28,693.52
  6. Step 6: Final answer
    x = 22,243.41

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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.