Home / 25,512.63-35,208.19-15,442.91

Finding the Fourth Proportional to 25,512.63, 35,208.19 and 15,442.91

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Solution

The fourth proportional to 25,512.63, 35,208.19 and 15,442.91 is: 21,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.63 : 35,208.19 = 15,442.91 : x
  2. Step 2: Convert to fraction form
    25,512.63/35,208.19 = 15,442.91/x
  3. Step 3: Cross multiply
    25,512.63x = 35,208.19 × 15,442.91
  4. Step 4: Simplify right side
    25,512.63x = 543,716,826.82
  5. Step 5: Solve for x
    x = 543,716,826.82/25,512.63
  6. Step 6: Final answer
    x = 21,311.68

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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.