Home / 28,928.76-39,921.90-16,352.76

Finding the Fourth Proportional to 28,928.76, 39,921.90 and 16,352.76

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Solution

The fourth proportional to 28,928.76, 39,921.90 and 16,352.76 is: 22,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.76 : 39,921.90 = 16,352.76 : x
  2. Step 2: Convert to fraction form
    28,928.76/39,921.90 = 16,352.76/x
  3. Step 3: Cross multiply
    28,928.76x = 39,921.90 × 16,352.76
  4. Step 4: Simplify right side
    28,928.76x = 652,833,249.44
  5. Step 5: Solve for x
    x = 652,833,249.44/28,928.76
  6. Step 6: Final answer
    x = 22,566.93

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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.