Home / 25,495.37-38,187.60-12,320

Finding the Fourth Proportional to 25,495.37, 38,187.60 and 12,320

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Solution

The fourth proportional to 25,495.37, 38,187.60 and 12,320 is: 18,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.37 : 38,187.60 = 12,320 : x
  2. Step 2: Convert to fraction form
    25,495.37/38,187.60 = 12,320/x
  3. Step 3: Cross multiply
    25,495.37x = 38,187.60 × 12,320
  4. Step 4: Simplify right side
    25,495.37x = 470,471,232
  5. Step 5: Solve for x
    x = 470,471,232/25,495.37
  6. Step 6: Final answer
    x = 18,453.20

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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.