Home / 26,408.23-36,438.73-15,072.55

Finding the Fourth Proportional to 26,408.23, 36,438.73 and 15,072.55

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Solution

The fourth proportional to 26,408.23, 36,438.73 and 15,072.55 is: 20,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.23 : 36,438.73 = 15,072.55 : x
  2. Step 2: Convert to fraction form
    26,408.23/36,438.73 = 15,072.55/x
  3. Step 3: Cross multiply
    26,408.23x = 36,438.73 × 15,072.55
  4. Step 4: Simplify right side
    26,408.23x = 549,224,579.86
  5. Step 5: Solve for x
    x = 549,224,579.86/26,408.23
  6. Step 6: Final answer
    x = 20,797.48

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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.