Home / 28,763.33-39,693.31-16,188.08

Finding the Fourth Proportional to 28,763.33, 39,693.31 and 16,188.08

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Solution

The fourth proportional to 28,763.33, 39,693.31 and 16,188.08 is: 22,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.33 : 39,693.31 = 16,188.08 : x
  2. Step 2: Convert to fraction form
    28,763.33/39,693.31 = 16,188.08/x
  3. Step 3: Cross multiply
    28,763.33x = 39,693.31 × 16,188.08
  4. Step 4: Simplify right side
    28,763.33x = 642,558,238.81
  5. Step 5: Solve for x
    x = 642,558,238.81/28,763.33
  6. Step 6: Final answer
    x = 22,339.50

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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.