Home / 26,403.12-39,600.12-12,364.56

Finding the Fourth Proportional to 26,403.12, 39,600.12 and 12,364.56

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Solution

The fourth proportional to 26,403.12, 39,600.12 and 12,364.56 is: 18,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.12 : 39,600.12 = 12,364.56 : x
  2. Step 2: Convert to fraction form
    26,403.12/39,600.12 = 12,364.56/x
  3. Step 3: Cross multiply
    26,403.12x = 39,600.12 × 12,364.56
  4. Step 4: Simplify right side
    26,403.12x = 489,638,059.75
  5. Step 5: Solve for x
    x = 489,638,059.75/26,403.12
  6. Step 6: Final answer
    x = 18,544.70

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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.