Home / 28,879.88-43,319.82-18,557.24

Finding the Fourth Proportional to 28,879.88, 43,319.82 and 18,557.24

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Solution

The fourth proportional to 28,879.88, 43,319.82 and 18,557.24 is: 27,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.88 : 43,319.82 = 18,557.24 : x
  2. Step 2: Convert to fraction form
    28,879.88/43,319.82 = 18,557.24/x
  3. Step 3: Cross multiply
    28,879.88x = 43,319.82 × 18,557.24
  4. Step 4: Simplify right side
    28,879.88x = 803,896,296.50
  5. Step 5: Solve for x
    x = 803,896,296.50/28,879.88
  6. Step 6: Final answer
    x = 27,835.86

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1.5x scale

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.