Home / 22,028.40-32,946.60-19,705.20

Finding the Fourth Proportional to 22,028.40, 32,946.60 and 19,705.20

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Solution

The fourth proportional to 22,028.40, 32,946.60 and 19,705.20 is: 29,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.40 : 32,946.60 = 19,705.20 : x
  2. Step 2: Convert to fraction form
    22,028.40/32,946.60 = 19,705.20/x
  3. Step 3: Cross multiply
    22,028.40x = 32,946.60 × 19,705.20
  4. Step 4: Simplify right side
    22,028.40x = 649,219,342.32
  5. Step 5: Solve for x
    x = 649,219,342.32/22,028.40
  6. Step 6: Final answer
    x = 29,471.92

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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.