Home / 26,280.46-36,266.16-15,664.60

Finding the Fourth Proportional to 26,280.46, 36,266.16 and 15,664.60

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Solution

The fourth proportional to 26,280.46, 36,266.16 and 15,664.60 is: 21,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.46 : 36,266.16 = 15,664.60 : x
  2. Step 2: Convert to fraction form
    26,280.46/36,266.16 = 15,664.60/x
  3. Step 3: Cross multiply
    26,280.46x = 36,266.16 × 15,664.60
  4. Step 4: Simplify right side
    26,280.46x = 568,094,889.94
  5. Step 5: Solve for x
    x = 568,094,889.94/26,280.46
  6. Step 6: Final answer
    x = 21,616.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.