Home / 28,815.44-39,766.01-16,068.50

Finding the Fourth Proportional to 28,815.44, 39,766.01 and 16,068.50

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Solution

The fourth proportional to 28,815.44, 39,766.01 and 16,068.50 is: 22,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.44 : 39,766.01 = 16,068.50 : x
  2. Step 2: Convert to fraction form
    28,815.44/39,766.01 = 16,068.50/x
  3. Step 3: Cross multiply
    28,815.44x = 39,766.01 × 16,068.50
  4. Step 4: Simplify right side
    28,815.44x = 638,980,131.69
  5. Step 5: Solve for x
    x = 638,980,131.69/28,815.44
  6. Step 6: Final answer
    x = 22,174.92

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1.5x scale

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.