Home / 28,523.98-42,790.20-9,808.84

Finding the Fourth Proportional to 28,523.98, 42,790.20 and 9,808.84

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Solution

The fourth proportional to 28,523.98, 42,790.20 and 9,808.84 is: 14,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.98 : 42,790.20 = 9,808.84 : x
  2. Step 2: Convert to fraction form
    28,523.98/42,790.20 = 9,808.84/x
  3. Step 3: Cross multiply
    28,523.98x = 42,790.20 × 9,808.84
  4. Step 4: Simplify right side
    28,523.98x = 419,722,225.37
  5. Step 5: Solve for x
    x = 419,722,225.37/28,523.98
  6. Step 6: Final answer
    x = 14,714.71

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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.