Home / 28,933.32-43,370.21-13,149.33

Finding the Fourth Proportional to 28,933.32, 43,370.21 and 13,149.33

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Solution

The fourth proportional to 28,933.32, 43,370.21 and 13,149.33 is: 19,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.32 : 43,370.21 = 13,149.33 : x
  2. Step 2: Convert to fraction form
    28,933.32/43,370.21 = 13,149.33/x
  3. Step 3: Cross multiply
    28,933.32x = 43,370.21 × 13,149.33
  4. Step 4: Simplify right side
    28,933.32x = 570,289,203.46
  5. Step 5: Solve for x
    x = 570,289,203.46/28,933.32
  6. Step 6: Final answer
    x = 19,710.47

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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.