Home / 21,751.54-30,008.27-14,195.25

Finding the Fourth Proportional to 21,751.54, 30,008.27 and 14,195.25

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Solution

The fourth proportional to 21,751.54, 30,008.27 and 14,195.25 is: 19,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.54 : 30,008.27 = 14,195.25 : x
  2. Step 2: Convert to fraction form
    21,751.54/30,008.27 = 14,195.25/x
  3. Step 3: Cross multiply
    21,751.54x = 30,008.27 × 14,195.25
  4. Step 4: Simplify right side
    21,751.54x = 425,974,930.21
  5. Step 5: Solve for x
    x = 425,974,930.21/21,751.54
  6. Step 6: Final answer
    x = 19,583.67

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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.