Home / 28,815.08-39,764.99-16,069.07

Finding the Fourth Proportional to 28,815.08, 39,764.99 and 16,069.07

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Solution

The fourth proportional to 28,815.08, 39,764.99 and 16,069.07 is: 22,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.08 : 39,764.99 = 16,069.07 : x
  2. Step 2: Convert to fraction form
    28,815.08/39,764.99 = 16,069.07/x
  3. Step 3: Cross multiply
    28,815.08x = 39,764.99 × 16,069.07
  4. Step 4: Simplify right side
    28,815.08x = 638,986,407.86
  5. Step 5: Solve for x
    x = 638,986,407.86/28,815.08
  6. Step 6: Final answer
    x = 22,175.42

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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.