Home / 26,284.40-39,426.60-7,816.40

Finding the Fourth Proportional to 26,284.40, 39,426.60 and 7,816.40

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Solution

The fourth proportional to 26,284.40, 39,426.60 and 7,816.40 is: 11,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,284.40 : 39,426.60 = 7,816.40 : x
  2. Step 2: Convert to fraction form
    26,284.40/39,426.60 = 7,816.40/x
  3. Step 3: Cross multiply
    26,284.40x = 39,426.60 × 7,816.40
  4. Step 4: Simplify right side
    26,284.40x = 308,174,076.24
  5. Step 5: Solve for x
    x = 308,174,076.24/26,284.40
  6. Step 6: Final answer
    x = 11,724.60

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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.