Home / 28,639.44-39,526.38-16,065

Finding the Fourth Proportional to 28,639.44, 39,526.38 and 16,065

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Solution

The fourth proportional to 28,639.44, 39,526.38 and 16,065 is: 22,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,639.44 : 39,526.38 = 16,065 : x
  2. Step 2: Convert to fraction form
    28,639.44/39,526.38 = 16,065/x
  3. Step 3: Cross multiply
    28,639.44x = 39,526.38 × 16,065
  4. Step 4: Simplify right side
    28,639.44x = 634,991,294.70
  5. Step 5: Solve for x
    x = 634,991,294.70/28,639.44
  6. Step 6: Final answer
    x = 22,171.92

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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.