Home / 28,089.44-42,103.92-14,928.56

Finding the Fourth Proportional to 28,089.44, 42,103.92 and 14,928.56

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Solution

The fourth proportional to 28,089.44, 42,103.92 and 14,928.56 is: 22,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.44 : 42,103.92 = 14,928.56 : x
  2. Step 2: Convert to fraction form
    28,089.44/42,103.92 = 14,928.56/x
  3. Step 3: Cross multiply
    28,089.44x = 42,103.92 × 14,928.56
  4. Step 4: Simplify right side
    28,089.44x = 628,550,895.96
  5. Step 5: Solve for x
    x = 628,550,895.96/28,089.44
  6. Step 6: Final answer
    x = 22,376.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.