Home / 26,188.64-39,316.24-15,820.64

Finding the Fourth Proportional to 26,188.64, 39,316.24 and 15,820.64

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Solution

The fourth proportional to 26,188.64, 39,316.24 and 15,820.64 is: 23,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.64 : 39,316.24 = 15,820.64 : x
  2. Step 2: Convert to fraction form
    26,188.64/39,316.24 = 15,820.64/x
  3. Step 3: Cross multiply
    26,188.64x = 39,316.24 × 15,820.64
  4. Step 4: Simplify right side
    26,188.64x = 622,008,079.19
  5. Step 5: Solve for x
    x = 622,008,079.19/26,188.64
  6. Step 6: Final answer
    x = 23,751.06

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1.5x scale

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.