Home / 28,091.94-38,782.43-19,152.57

Finding the Fourth Proportional to 28,091.94, 38,782.43 and 19,152.57

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Solution

The fourth proportional to 28,091.94, 38,782.43 and 19,152.57 is: 26,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.94 : 38,782.43 = 19,152.57 : x
  2. Step 2: Convert to fraction form
    28,091.94/38,782.43 = 19,152.57/x
  3. Step 3: Cross multiply
    28,091.94x = 38,782.43 × 19,152.57
  4. Step 4: Simplify right side
    28,091.94x = 742,783,205.35
  5. Step 5: Solve for x
    x = 742,783,205.35/28,091.94
  6. Step 6: Final answer
    x = 26,441.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.