Home / 28,361.40-42,546.05-12,565.19

Finding the Fourth Proportional to 28,361.40, 42,546.05 and 12,565.19

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Solution

The fourth proportional to 28,361.40, 42,546.05 and 12,565.19 is: 18,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.40 : 42,546.05 = 12,565.19 : x
  2. Step 2: Convert to fraction form
    28,361.40/42,546.05 = 12,565.19/x
  3. Step 3: Cross multiply
    28,361.40x = 42,546.05 × 12,565.19
  4. Step 4: Simplify right side
    28,361.40x = 534,599,202.00
  5. Step 5: Solve for x
    x = 534,599,202.00/28,361.40
  6. Step 6: Final answer
    x = 18,849.54

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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.