Home / 25,443.84-38,183.98-18,850.16

Finding the Fourth Proportional to 25,443.84, 38,183.98 and 18,850.16

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Solution

The fourth proportional to 25,443.84, 38,183.98 and 18,850.16 is: 28,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.84 : 38,183.98 = 18,850.16 : x
  2. Step 2: Convert to fraction form
    25,443.84/38,183.98 = 18,850.16/x
  3. Step 3: Cross multiply
    25,443.84x = 38,183.98 × 18,850.16
  4. Step 4: Simplify right side
    25,443.84x = 719,774,132.44
  5. Step 5: Solve for x
    x = 719,774,132.44/25,443.84
  6. Step 6: Final answer
    x = 28,288.74

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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.