Home / 28,749.18-39,673.83-16,173.93

Finding the Fourth Proportional to 28,749.18, 39,673.83 and 16,173.93

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Solution

The fourth proportional to 28,749.18, 39,673.83 and 16,173.93 is: 22,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.18 : 39,673.83 = 16,173.93 : x
  2. Step 2: Convert to fraction form
    28,749.18/39,673.83 = 16,173.93/x
  3. Step 3: Cross multiply
    28,749.18x = 39,673.83 × 16,173.93
  4. Step 4: Simplify right side
    28,749.18x = 641,681,749.25
  5. Step 5: Solve for x
    x = 641,681,749.25/28,749.18
  6. Step 6: Final answer
    x = 22,320.00

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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.