Home / 28,688.48-39,591.72-16,114.04

Finding the Fourth Proportional to 28,688.48, 39,591.72 and 16,114.04

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Solution

The fourth proportional to 28,688.48, 39,591.72 and 16,114.04 is: 22,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.48 : 39,591.72 = 16,114.04 : x
  2. Step 2: Convert to fraction form
    28,688.48/39,591.72 = 16,114.04/x
  3. Step 3: Cross multiply
    28,688.48x = 39,591.72 × 16,114.04
  4. Step 4: Simplify right side
    28,688.48x = 637,982,559.75
  5. Step 5: Solve for x
    x = 637,982,559.75/28,688.48
  6. Step 6: Final answer
    x = 22,238.28

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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.