Home / 26,021.70-39,036.60-8,486.10

Finding the Fourth Proportional to 26,021.70, 39,036.60 and 8,486.10

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Solution

The fourth proportional to 26,021.70, 39,036.60 and 8,486.10 is: 12,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.70 : 39,036.60 = 8,486.10 : x
  2. Step 2: Convert to fraction form
    26,021.70/39,036.60 = 8,486.10/x
  3. Step 3: Cross multiply
    26,021.70x = 39,036.60 × 8,486.10
  4. Step 4: Simplify right side
    26,021.70x = 331,268,491.26
  5. Step 5: Solve for x
    x = 331,268,491.26/26,021.70
  6. Step 6: Final answer
    x = 12,730.47

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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.