Home / 25,861.14-35,647.92-21,626.28

Finding the Fourth Proportional to 25,861.14, 35,647.92 and 21,626.28

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Solution

The fourth proportional to 25,861.14, 35,647.92 and 21,626.28 is: 29,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.14 : 35,647.92 = 21,626.28 : x
  2. Step 2: Convert to fraction form
    25,861.14/35,647.92 = 21,626.28/x
  3. Step 3: Cross multiply
    25,861.14x = 35,647.92 × 21,626.28
  4. Step 4: Simplify right side
    25,861.14x = 770,931,899.34
  5. Step 5: Solve for x
    x = 770,931,899.34/25,861.14
  6. Step 6: Final answer
    x = 29,810.44

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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.