Home / 20,037.40-27,652.10-11,085.08

Finding the Fourth Proportional to 20,037.40, 27,652.10 and 11,085.08

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Solution

The fourth proportional to 20,037.40, 27,652.10 and 11,085.08 is: 15,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.40 : 27,652.10 = 11,085.08 : x
  2. Step 2: Convert to fraction form
    20,037.40/27,652.10 = 11,085.08/x
  3. Step 3: Cross multiply
    20,037.40x = 27,652.10 × 11,085.08
  4. Step 4: Simplify right side
    20,037.40x = 306,525,546.98
  5. Step 5: Solve for x
    x = 306,525,546.98/20,037.40
  6. Step 6: Final answer
    x = 15,297.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.