Home / 28,821.76-39,774.27-16,074.52

Finding the Fourth Proportional to 28,821.76, 39,774.27 and 16,074.52

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Solution

The fourth proportional to 28,821.76, 39,774.27 and 16,074.52 is: 22,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.76 : 39,774.27 = 16,074.52 : x
  2. Step 2: Convert to fraction form
    28,821.76/39,774.27 = 16,074.52/x
  3. Step 3: Cross multiply
    28,821.76x = 39,774.27 × 16,074.52
  4. Step 4: Simplify right side
    28,821.76x = 639,352,392.76
  5. Step 5: Solve for x
    x = 639,352,392.76/28,821.76
  6. Step 6: Final answer
    x = 22,182.97

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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.