Home / 28,371.95-42,551.09-12,568.25

Finding the Fourth Proportional to 28,371.95, 42,551.09 and 12,568.25

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Solution

The fourth proportional to 28,371.95, 42,551.09 and 12,568.25 is: 18,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.95 : 42,551.09 = 12,568.25 : x
  2. Step 2: Convert to fraction form
    28,371.95/42,551.09 = 12,568.25/x
  3. Step 3: Cross multiply
    28,371.95x = 42,551.09 × 12,568.25
  4. Step 4: Simplify right side
    28,371.95x = 534,792,555.56
  5. Step 5: Solve for x
    x = 534,792,555.56/28,371.95
  6. Step 6: Final answer
    x = 18,849.34

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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.