Home / 28,801.96-43,142.30-13,232.68

Finding the Fourth Proportional to 28,801.96, 43,142.30 and 13,232.68

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Solution

The fourth proportional to 28,801.96, 43,142.30 and 13,232.68 is: 19,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.96 : 43,142.30 = 13,232.68 : x
  2. Step 2: Convert to fraction form
    28,801.96/43,142.30 = 13,232.68/x
  3. Step 3: Cross multiply
    28,801.96x = 43,142.30 × 13,232.68
  4. Step 4: Simplify right side
    28,801.96x = 570,888,250.36
  5. Step 5: Solve for x
    x = 570,888,250.36/28,801.96
  6. Step 6: Final answer
    x = 19,821.16

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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.