Home / 28,018.48-41,912.88-25,555.36

Finding the Fourth Proportional to 28,018.48, 41,912.88 and 25,555.36

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Solution

The fourth proportional to 28,018.48, 41,912.88 and 25,555.36 is: 38,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.48 : 41,912.88 = 25,555.36 : x
  2. Step 2: Convert to fraction form
    28,018.48/41,912.88 = 25,555.36/x
  3. Step 3: Cross multiply
    28,018.48x = 41,912.88 × 25,555.36
  4. Step 4: Simplify right side
    28,018.48x = 1,071,098,737.04
  5. Step 5: Solve for x
    x = 1,071,098,737.04/28,018.48
  6. Step 6: Final answer
    x = 38,228.30

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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.