Home / 26,372.80-39,559.60-8,603.38

Finding the Fourth Proportional to 26,372.80, 39,559.60 and 8,603.38

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Solution

The fourth proportional to 26,372.80, 39,559.60 and 8,603.38 is: 12,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,372.80 : 39,559.60 = 8,603.38 : x
  2. Step 2: Convert to fraction form
    26,372.80/39,559.60 = 8,603.38/x
  3. Step 3: Cross multiply
    26,372.80x = 39,559.60 × 8,603.38
  4. Step 4: Simplify right side
    26,372.80x = 340,346,271.45
  5. Step 5: Solve for x
    x = 340,346,271.45/26,372.80
  6. Step 6: Final answer
    x = 12,905.20

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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.