Home / 25,994.72-35,857.32-15,927.68

Finding the Fourth Proportional to 25,994.72, 35,857.32 and 15,927.68

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Solution

The fourth proportional to 25,994.72, 35,857.32 and 15,927.68 is: 21,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,994.72 : 35,857.32 = 15,927.68 : x
  2. Step 2: Convert to fraction form
    25,994.72/35,857.32 = 15,927.68/x
  3. Step 3: Cross multiply
    25,994.72x = 35,857.32 × 15,927.68
  4. Step 4: Simplify right side
    25,994.72x = 571,123,918.62
  5. Step 5: Solve for x
    x = 571,123,918.62/25,994.72
  6. Step 6: Final answer
    x = 21,970.77

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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.