Home / 28,813.72-43,199.34-11,274.52

Finding the Fourth Proportional to 28,813.72, 43,199.34 and 11,274.52

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Solution

The fourth proportional to 28,813.72, 43,199.34 and 11,274.52 is: 16,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.72 : 43,199.34 = 11,274.52 : x
  2. Step 2: Convert to fraction form
    28,813.72/43,199.34 = 11,274.52/x
  3. Step 3: Cross multiply
    28,813.72x = 43,199.34 × 11,274.52
  4. Step 4: Simplify right side
    28,813.72x = 487,051,822.82
  5. Step 5: Solve for x
    x = 487,051,822.82/28,813.72
  6. Step 6: Final answer
    x = 16,903.47

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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.