Home / 22,050.40-32,979.60-19,727.20

Finding the Fourth Proportional to 22,050.40, 32,979.60 and 19,727.20

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Solution

The fourth proportional to 22,050.40, 32,979.60 and 19,727.20 is: 29,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.40 : 32,979.60 = 19,727.20 : x
  2. Step 2: Convert to fraction form
    22,050.40/32,979.60 = 19,727.20/x
  3. Step 3: Cross multiply
    22,050.40x = 32,979.60 × 19,727.20
  4. Step 4: Simplify right side
    22,050.40x = 650,595,165.12
  5. Step 5: Solve for x
    x = 650,595,165.12/22,050.40
  6. Step 6: Final answer
    x = 29,504.91

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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.