Home / 28,910.63-43,368.92-10,914.02

Finding the Fourth Proportional to 28,910.63, 43,368.92 and 10,914.02

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Solution

The fourth proportional to 28,910.63, 43,368.92 and 10,914.02 is: 16,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.63 : 43,368.92 = 10,914.02 : x
  2. Step 2: Convert to fraction form
    28,910.63/43,368.92 = 10,914.02/x
  3. Step 3: Cross multiply
    28,910.63x = 43,368.92 × 10,914.02
  4. Step 4: Simplify right side
    28,910.63x = 473,329,260.26
  5. Step 5: Solve for x
    x = 473,329,260.26/28,910.63
  6. Step 6: Final answer
    x = 16,372.15

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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.