Home / 28,742.23-43,113.30-11,224.36

Finding the Fourth Proportional to 28,742.23, 43,113.30 and 11,224.36

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Solution

The fourth proportional to 28,742.23, 43,113.30 and 11,224.36 is: 16,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742.23 : 43,113.30 = 11,224.36 : x
  2. Step 2: Convert to fraction form
    28,742.23/43,113.30 = 11,224.36/x
  3. Step 3: Cross multiply
    28,742.23x = 43,113.30 × 11,224.36
  4. Step 4: Simplify right side
    28,742.23x = 483,919,199.99
  5. Step 5: Solve for x
    x = 483,919,199.99/28,742.23
  6. Step 6: Final answer
    x = 16,836.52

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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.