Home / 28,601.84-42,902.14-7,825.34

Finding the Fourth Proportional to 28,601.84, 42,902.14 and 7,825.34

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Solution

The fourth proportional to 28,601.84, 42,902.14 and 7,825.34 is: 11,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601.84 : 42,902.14 = 7,825.34 : x
  2. Step 2: Convert to fraction form
    28,601.84/42,902.14 = 7,825.34/x
  3. Step 3: Cross multiply
    28,601.84x = 42,902.14 × 7,825.34
  4. Step 4: Simplify right side
    28,601.84x = 335,723,832.23
  5. Step 5: Solve for x
    x = 335,723,832.23/28,601.84
  6. Step 6: Final answer
    x = 11,737.84

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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.