Home / 26,255.28-39,339.18-18,848.64

Finding the Fourth Proportional to 26,255.28, 39,339.18 and 18,848.64

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Solution

The fourth proportional to 26,255.28, 39,339.18 and 18,848.64 is: 28,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.28 : 39,339.18 = 18,848.64 : x
  2. Step 2: Convert to fraction form
    26,255.28/39,339.18 = 18,848.64/x
  3. Step 3: Cross multiply
    26,255.28x = 39,339.18 × 18,848.64
  4. Step 4: Simplify right side
    26,255.28x = 741,490,041.72
  5. Step 5: Solve for x
    x = 741,490,041.72/26,255.28
  6. Step 6: Final answer
    x = 28,241.56

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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.