Home / 28,190.44-42,289.50-9,723.88

Finding the Fourth Proportional to 28,190.44, 42,289.50 and 9,723.88

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Solution

The fourth proportional to 28,190.44, 42,289.50 and 9,723.88 is: 14,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.44 : 42,289.50 = 9,723.88 : x
  2. Step 2: Convert to fraction form
    28,190.44/42,289.50 = 9,723.88/x
  3. Step 3: Cross multiply
    28,190.44x = 42,289.50 × 9,723.88
  4. Step 4: Simplify right side
    28,190.44x = 411,218,023.26
  5. Step 5: Solve for x
    x = 411,218,023.26/28,190.44
  6. Step 6: Final answer
    x = 14,587.14

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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.