Home / 28,954.32-43,444.80-20,083.20

Finding the Fourth Proportional to 28,954.32, 43,444.80 and 20,083.20

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Solution

The fourth proportional to 28,954.32, 43,444.80 and 20,083.20 is: 30,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.32 : 43,444.80 = 20,083.20 : x
  2. Step 2: Convert to fraction form
    28,954.32/43,444.80 = 20,083.20/x
  3. Step 3: Cross multiply
    28,954.32x = 43,444.80 × 20,083.20
  4. Step 4: Simplify right side
    28,954.32x = 872,510,607.36
  5. Step 5: Solve for x
    x = 872,510,607.36/28,954.32
  6. Step 6: Final answer
    x = 30,134.04

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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.