Home / 26,314.80-39,445.60-11,331.70

Finding the Fourth Proportional to 26,314.80, 39,445.60 and 11,331.70

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Solution

The fourth proportional to 26,314.80, 39,445.60 and 11,331.70 is: 16,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,314.80 : 39,445.60 = 11,331.70 : x
  2. Step 2: Convert to fraction form
    26,314.80/39,445.60 = 11,331.70/x
  3. Step 3: Cross multiply
    26,314.80x = 39,445.60 × 11,331.70
  4. Step 4: Simplify right side
    26,314.80x = 446,985,705.52
  5. Step 5: Solve for x
    x = 446,985,705.52/26,314.80
  6. Step 6: Final answer
    x = 16,986.10

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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.