Home / 25,784.76-35,583.08-15,036

Finding the Fourth Proportional to 25,784.76, 35,583.08 and 15,036

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Solution

The fourth proportional to 25,784.76, 35,583.08 and 15,036 is: 20,749.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.76 : 35,583.08 = 15,036 : x
  2. Step 2: Convert to fraction form
    25,784.76/35,583.08 = 15,036/x
  3. Step 3: Cross multiply
    25,784.76x = 35,583.08 × 15,036
  4. Step 4: Simplify right side
    25,784.76x = 535,027,190.88
  5. Step 5: Solve for x
    x = 535,027,190.88/25,784.76
  6. Step 6: Final answer
    x = 20,749.74

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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.