Home / 28,502.44-39,295.02-19,993.12

Finding the Fourth Proportional to 28,502.44, 39,295.02 and 19,993.12

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Solution

The fourth proportional to 28,502.44, 39,295.02 and 19,993.12 is: 27,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.44 : 39,295.02 = 19,993.12 : x
  2. Step 2: Convert to fraction form
    28,502.44/39,295.02 = 19,993.12/x
  3. Step 3: Cross multiply
    28,502.44x = 39,295.02 × 19,993.12
  4. Step 4: Simplify right side
    28,502.44x = 785,630,050.26
  5. Step 5: Solve for x
    x = 785,630,050.26/28,502.44
  6. Step 6: Final answer
    x = 27,563.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.