Home / 25,729.56-38,583.40-15,866.19

Finding the Fourth Proportional to 25,729.56, 38,583.40 and 15,866.19

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Solution

The fourth proportional to 25,729.56, 38,583.40 and 15,866.19 is: 23,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.56 : 38,583.40 = 15,866.19 : x
  2. Step 2: Convert to fraction form
    25,729.56/38,583.40 = 15,866.19/x
  3. Step 3: Cross multiply
    25,729.56x = 38,583.40 × 15,866.19
  4. Step 4: Simplify right side
    25,729.56x = 612,171,555.25
  5. Step 5: Solve for x
    x = 612,171,555.25/25,729.56
  6. Step 6: Final answer
    x = 23,792.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.