Home / 25,933.24-35,788.60-15,861.50

Finding the Fourth Proportional to 25,933.24, 35,788.60 and 15,861.50

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Solution

The fourth proportional to 25,933.24, 35,788.60 and 15,861.50 is: 21,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,933.24 : 35,788.60 = 15,861.50 : x
  2. Step 2: Convert to fraction form
    25,933.24/35,788.60 = 15,861.50/x
  3. Step 3: Cross multiply
    25,933.24x = 35,788.60 × 15,861.50
  4. Step 4: Simplify right side
    25,933.24x = 567,660,878.90
  5. Step 5: Solve for x
    x = 567,660,878.90/25,933.24
  6. Step 6: Final answer
    x = 21,889.32

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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.