Home / 28,903.23-43,371.86-11,378.07

Finding the Fourth Proportional to 28,903.23, 43,371.86 and 11,378.07

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Solution

The fourth proportional to 28,903.23, 43,371.86 and 11,378.07 is: 17,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.23 : 43,371.86 = 11,378.07 : x
  2. Step 2: Convert to fraction form
    28,903.23/43,371.86 = 11,378.07/x
  3. Step 3: Cross multiply
    28,903.23x = 43,371.86 × 11,378.07
  4. Step 4: Simplify right side
    28,903.23x = 493,488,002.22
  5. Step 5: Solve for x
    x = 493,488,002.22/28,903.23
  6. Step 6: Final answer
    x = 17,073.80

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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.