Home / 28,701.19-43,056.11-10,231.75

Finding the Fourth Proportional to 28,701.19, 43,056.11 and 10,231.75

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Solution

The fourth proportional to 28,701.19, 43,056.11 and 10,231.75 is: 15,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.19 : 43,056.11 = 10,231.75 : x
  2. Step 2: Convert to fraction form
    28,701.19/43,056.11 = 10,231.75/x
  3. Step 3: Cross multiply
    28,701.19x = 43,056.11 × 10,231.75
  4. Step 4: Simplify right side
    28,701.19x = 440,539,353.49
  5. Step 5: Solve for x
    x = 440,539,353.49/28,701.19
  6. Step 6: Final answer
    x = 15,349.17

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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.