Home / 16,896.75-23,328.45-15,125.28

Finding the Fourth Proportional to 16,896.75, 23,328.45 and 15,125.28

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Solution

The fourth proportional to 16,896.75, 23,328.45 and 15,125.28 is: 20,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.75 : 23,328.45 = 15,125.28 : x
  2. Step 2: Convert to fraction form
    16,896.75/23,328.45 = 15,125.28/x
  3. Step 3: Cross multiply
    16,896.75x = 23,328.45 × 15,125.28
  4. Step 4: Simplify right side
    16,896.75x = 352,849,338.22
  5. Step 5: Solve for x
    x = 352,849,338.22/16,896.75
  6. Step 6: Final answer
    x = 20,882.67

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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.