Home / 26,064.20-39,038.70-20,174.60

Finding the Fourth Proportional to 26,064.20, 39,038.70 and 20,174.60

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Solution

The fourth proportional to 26,064.20, 39,038.70 and 20,174.60 is: 30,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,064.20 : 39,038.70 = 20,174.60 : x
  2. Step 2: Convert to fraction form
    26,064.20/39,038.70 = 20,174.60/x
  3. Step 3: Cross multiply
    26,064.20x = 39,038.70 × 20,174.60
  4. Step 4: Simplify right side
    26,064.20x = 787,590,157.02
  5. Step 5: Solve for x
    x = 787,590,157.02/26,064.20
  6. Step 6: Final answer
    x = 30,217.32

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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.