Home / 27,683.37-41,518.98-12,878.19

Finding the Fourth Proportional to 27,683.37, 41,518.98 and 12,878.19

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Solution

The fourth proportional to 27,683.37, 41,518.98 and 12,878.19 is: 19,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.37 : 41,518.98 = 12,878.19 : x
  2. Step 2: Convert to fraction form
    27,683.37/41,518.98 = 12,878.19/x
  3. Step 3: Cross multiply
    27,683.37x = 41,518.98 × 12,878.19
  4. Step 4: Simplify right side
    27,683.37x = 534,689,313.05
  5. Step 5: Solve for x
    x = 534,689,313.05/27,683.37
  6. Step 6: Final answer
    x = 19,314.46

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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.