Home / 25,512.24-35,214.24-15,440.72

Finding the Fourth Proportional to 25,512.24, 35,214.24 and 15,440.72

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Solution

The fourth proportional to 25,512.24, 35,214.24 and 15,440.72 is: 21,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.24 : 35,214.24 = 15,440.72 : x
  2. Step 2: Convert to fraction form
    25,512.24/35,214.24 = 15,440.72/x
  3. Step 3: Cross multiply
    25,512.24x = 35,214.24 × 15,440.72
  4. Step 4: Simplify right side
    25,512.24x = 543,733,219.85
  5. Step 5: Solve for x
    x = 543,733,219.85/25,512.24
  6. Step 6: Final answer
    x = 21,312.64

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