Home / 26,735.47-36,889.03-15,978.72

Finding the Fourth Proportional to 26,735.47, 36,889.03 and 15,978.72

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Solution

The fourth proportional to 26,735.47, 36,889.03 and 15,978.72 is: 22,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,735.47 : 36,889.03 = 15,978.72 : x
  2. Step 2: Convert to fraction form
    26,735.47/36,889.03 = 15,978.72/x
  3. Step 3: Cross multiply
    26,735.47x = 36,889.03 × 15,978.72
  4. Step 4: Simplify right side
    26,735.47x = 589,439,481.44
  5. Step 5: Solve for x
    x = 589,439,481.44/26,735.47
  6. Step 6: Final answer
    x = 22,047.10

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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.