Home / 28,388.46-42,557.94-11,738.10

Finding the Fourth Proportional to 28,388.46, 42,557.94 and 11,738.10

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Solution

The fourth proportional to 28,388.46, 42,557.94 and 11,738.10 is: 17,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388.46 : 42,557.94 = 11,738.10 : x
  2. Step 2: Convert to fraction form
    28,388.46/42,557.94 = 11,738.10/x
  3. Step 3: Cross multiply
    28,388.46x = 42,557.94 × 11,738.10
  4. Step 4: Simplify right side
    28,388.46x = 499,549,355.51
  5. Step 5: Solve for x
    x = 499,549,355.51/28,388.46
  6. Step 6: Final answer
    x = 17,596.92

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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.