Home / 26,219.60-39,329.40-7,751.60

Finding the Fourth Proportional to 26,219.60, 39,329.40 and 7,751.60

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Solution

The fourth proportional to 26,219.60, 39,329.40 and 7,751.60 is: 11,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,219.60 : 39,329.40 = 7,751.60 : x
  2. Step 2: Convert to fraction form
    26,219.60/39,329.40 = 7,751.60/x
  3. Step 3: Cross multiply
    26,219.60x = 39,329.40 × 7,751.60
  4. Step 4: Simplify right side
    26,219.60x = 304,865,777.04
  5. Step 5: Solve for x
    x = 304,865,777.04/26,219.60
  6. Step 6: Final answer
    x = 11,627.40

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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.