Home / 15,828.78-23,708.34-13,695.24

Finding the Fourth Proportional to 15,828.78, 23,708.34 and 13,695.24

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Solution

The fourth proportional to 15,828.78, 23,708.34 and 13,695.24 is: 20,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.78 : 23,708.34 = 13,695.24 : x
  2. Step 2: Convert to fraction form
    15,828.78/23,708.34 = 13,695.24/x
  3. Step 3: Cross multiply
    15,828.78x = 23,708.34 × 13,695.24
  4. Step 4: Simplify right side
    15,828.78x = 324,691,406.30
  5. Step 5: Solve for x
    x = 324,691,406.30/15,828.78
  6. Step 6: Final answer
    x = 20,512.72

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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.