Home / 25,958.78-35,823.82-15,887.02

Finding the Fourth Proportional to 25,958.78, 35,823.82 and 15,887.02

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Solution

The fourth proportional to 25,958.78, 35,823.82 and 15,887.02 is: 21,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.78 : 35,823.82 = 15,887.02 : x
  2. Step 2: Convert to fraction form
    25,958.78/35,823.82 = 15,887.02/x
  3. Step 3: Cross multiply
    25,958.78x = 35,823.82 × 15,887.02
  4. Step 4: Simplify right side
    25,958.78x = 569,133,744.82
  5. Step 5: Solve for x
    x = 569,133,744.82/25,958.78
  6. Step 6: Final answer
    x = 21,924.52

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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.