Home / 26,668.36-40,009.02-7,947.64

Finding the Fourth Proportional to 26,668.36, 40,009.02 and 7,947.64

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Solution

The fourth proportional to 26,668.36, 40,009.02 and 7,947.64 is: 11,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.36 : 40,009.02 = 7,947.64 : x
  2. Step 2: Convert to fraction form
    26,668.36/40,009.02 = 7,947.64/x
  3. Step 3: Cross multiply
    26,668.36x = 40,009.02 × 7,947.64
  4. Step 4: Simplify right side
    26,668.36x = 317,977,287.71
  5. Step 5: Solve for x
    x = 317,977,287.71/26,668.36
  6. Step 6: Final answer
    x = 11,923.39

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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.