Home / 28,376.94-42,567.84-11,733.78

Finding the Fourth Proportional to 28,376.94, 42,567.84 and 11,733.78

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Solution

The fourth proportional to 28,376.94, 42,567.84 and 11,733.78 is: 17,601.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.94 : 42,567.84 = 11,733.78 : x
  2. Step 2: Convert to fraction form
    28,376.94/42,567.84 = 11,733.78/x
  3. Step 3: Cross multiply
    28,376.94x = 42,567.84 × 11,733.78
  4. Step 4: Simplify right side
    28,376.94x = 499,481,669.64
  5. Step 5: Solve for x
    x = 499,481,669.64/28,376.94
  6. Step 6: Final answer
    x = 17,601.67

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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.