Home / 27,219.37-40,790.76-21,647.98

Finding the Fourth Proportional to 27,219.37, 40,790.76 and 21,647.98

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Solution

The fourth proportional to 27,219.37, 40,790.76 and 21,647.98 is: 32,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.37 : 40,790.76 = 21,647.98 : x
  2. Step 2: Convert to fraction form
    27,219.37/40,790.76 = 21,647.98/x
  3. Step 3: Cross multiply
    27,219.37x = 40,790.76 × 21,647.98
  4. Step 4: Simplify right side
    27,219.37x = 883,037,448.42
  5. Step 5: Solve for x
    x = 883,037,448.42/27,219.37
  6. Step 6: Final answer
    x = 32,441.52

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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.