Home / 26,409.56-39,586.32-12,357.74

Finding the Fourth Proportional to 26,409.56, 39,586.32 and 12,357.74

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Solution

The fourth proportional to 26,409.56, 39,586.32 and 12,357.74 is: 18,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.56 : 39,586.32 = 12,357.74 : x
  2. Step 2: Convert to fraction form
    26,409.56/39,586.32 = 12,357.74/x
  3. Step 3: Cross multiply
    26,409.56x = 39,586.32 × 12,357.74
  4. Step 4: Simplify right side
    26,409.56x = 489,197,450.12
  5. Step 5: Solve for x
    x = 489,197,450.12/26,409.56
  6. Step 6: Final answer
    x = 18,523.50

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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.