Home / 26,164.16-39,240.75-8,629.88

Finding the Fourth Proportional to 26,164.16, 39,240.75 and 8,629.88

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Solution

The fourth proportional to 26,164.16, 39,240.75 and 8,629.88 is: 12,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,164.16 : 39,240.75 = 8,629.88 : x
  2. Step 2: Convert to fraction form
    26,164.16/39,240.75 = 8,629.88/x
  3. Step 3: Cross multiply
    26,164.16x = 39,240.75 × 8,629.88
  4. Step 4: Simplify right side
    26,164.16x = 338,643,094.07
  5. Step 5: Solve for x
    x = 338,643,094.07/26,164.16
  6. Step 6: Final answer
    x = 12,943.01

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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.