Home / 28,901.67-43,351.53-12,250.99

Finding the Fourth Proportional to 28,901.67, 43,351.53 and 12,250.99

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Solution

The fourth proportional to 28,901.67, 43,351.53 and 12,250.99 is: 18,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.67 : 43,351.53 = 12,250.99 : x
  2. Step 2: Convert to fraction form
    28,901.67/43,351.53 = 12,250.99/x
  3. Step 3: Cross multiply
    28,901.67x = 43,351.53 × 12,250.99
  4. Step 4: Simplify right side
    28,901.67x = 531,099,160.51
  5. Step 5: Solve for x
    x = 531,099,160.51/28,901.67
  6. Step 6: Final answer
    x = 18,376.07

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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.