Home / 26,620.24-39,913.80-9,971.60

Finding the Fourth Proportional to 26,620.24, 39,913.80 and 9,971.60

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Solution

The fourth proportional to 26,620.24, 39,913.80 and 9,971.60 is: 14,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.24 : 39,913.80 = 9,971.60 : x
  2. Step 2: Convert to fraction form
    26,620.24/39,913.80 = 9,971.60/x
  3. Step 3: Cross multiply
    26,620.24x = 39,913.80 × 9,971.60
  4. Step 4: Simplify right side
    26,620.24x = 398,004,448.08
  5. Step 5: Solve for x
    x = 398,004,448.08/26,620.24
  6. Step 6: Final answer
    x = 14,951.20

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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.