Home / 25,828.32-38,755.56-19,267.68

Finding the Fourth Proportional to 25,828.32, 38,755.56 and 19,267.68

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Solution

The fourth proportional to 25,828.32, 38,755.56 and 19,267.68 is: 28,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.32 : 38,755.56 = 19,267.68 : x
  2. Step 2: Convert to fraction form
    25,828.32/38,755.56 = 19,267.68/x
  3. Step 3: Cross multiply
    25,828.32x = 38,755.56 × 19,267.68
  4. Step 4: Simplify right side
    25,828.32x = 746,729,728.30
  5. Step 5: Solve for x
    x = 746,729,728.30/25,828.32
  6. Step 6: Final answer
    x = 28,911.28

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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.