Home / 28,633.64-42,945.57-7,573.91

Finding the Fourth Proportional to 28,633.64, 42,945.57 and 7,573.91

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Solution

The fourth proportional to 28,633.64, 42,945.57 and 7,573.91 is: 11,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.64 : 42,945.57 = 7,573.91 : x
  2. Step 2: Convert to fraction form
    28,633.64/42,945.57 = 7,573.91/x
  3. Step 3: Cross multiply
    28,633.64x = 42,945.57 × 7,573.91
  4. Step 4: Simplify right side
    28,633.64x = 325,265,667.35
  5. Step 5: Solve for x
    x = 325,265,667.35/28,633.64
  6. Step 6: Final answer
    x = 11,359.57

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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.