Home / 26,307.60-39,485.70-13,169.40

Finding the Fourth Proportional to 26,307.60, 39,485.70 and 13,169.40

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Solution

The fourth proportional to 26,307.60, 39,485.70 and 13,169.40 is: 19,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,307.60 : 39,485.70 = 13,169.40 : x
  2. Step 2: Convert to fraction form
    26,307.60/39,485.70 = 13,169.40/x
  3. Step 3: Cross multiply
    26,307.60x = 39,485.70 × 13,169.40
  4. Step 4: Simplify right side
    26,307.60x = 520,002,977.58
  5. Step 5: Solve for x
    x = 520,002,977.58/26,307.60
  6. Step 6: Final answer
    x = 19,766.26

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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.