Home / 28,748.16-39,673.08-16,002

Finding the Fourth Proportional to 28,748.16, 39,673.08 and 16,002

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Solution

The fourth proportional to 28,748.16, 39,673.08 and 16,002 is: 22,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.16 : 39,673.08 = 16,002 : x
  2. Step 2: Convert to fraction form
    28,748.16/39,673.08 = 16,002/x
  3. Step 3: Cross multiply
    28,748.16x = 39,673.08 × 16,002
  4. Step 4: Simplify right side
    28,748.16x = 634,848,626.16
  5. Step 5: Solve for x
    x = 634,848,626.16/28,748.16
  6. Step 6: Final answer
    x = 22,083.10

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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.