Home / 26,475.08-39,728.40-9,836.60

Finding the Fourth Proportional to 26,475.08, 39,728.40 and 9,836.60

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Solution

The fourth proportional to 26,475.08, 39,728.40 and 9,836.60 is: 14,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,475.08 : 39,728.40 = 9,836.60 : x
  2. Step 2: Convert to fraction form
    26,475.08/39,728.40 = 9,836.60/x
  3. Step 3: Cross multiply
    26,475.08x = 39,728.40 × 9,836.60
  4. Step 4: Simplify right side
    26,475.08x = 390,792,379.44
  5. Step 5: Solve for x
    x = 390,792,379.44/26,475.08
  6. Step 6: Final answer
    x = 14,760.76

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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.