Home / 25,629.67-38,444.76-8,990.10

Finding the Fourth Proportional to 25,629.67, 38,444.76 and 8,990.10

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Solution

The fourth proportional to 25,629.67, 38,444.76 and 8,990.10 is: 13,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.67 : 38,444.76 = 8,990.10 : x
  2. Step 2: Convert to fraction form
    25,629.67/38,444.76 = 8,990.10/x
  3. Step 3: Cross multiply
    25,629.67x = 38,444.76 × 8,990.10
  4. Step 4: Simplify right side
    25,629.67x = 345,622,236.88
  5. Step 5: Solve for x
    x = 345,622,236.88/25,629.67
  6. Step 6: Final answer
    x = 13,485.24

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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.