Home / 25,858.05-35,687.95-15,792.33

Finding the Fourth Proportional to 25,858.05, 35,687.95 and 15,792.33

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Solution

The fourth proportional to 25,858.05, 35,687.95 and 15,792.33 is: 21,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.05 : 35,687.95 = 15,792.33 : x
  2. Step 2: Convert to fraction form
    25,858.05/35,687.95 = 15,792.33/x
  3. Step 3: Cross multiply
    25,858.05x = 35,687.95 × 15,792.33
  4. Step 4: Simplify right side
    25,858.05x = 563,595,883.42
  5. Step 5: Solve for x
    x = 563,595,883.42/25,858.05
  6. Step 6: Final answer
    x = 21,795.76

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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.