Home / 26,391.56-39,558.72-13,212.14

Finding the Fourth Proportional to 26,391.56, 39,558.72 and 13,212.14

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Solution

The fourth proportional to 26,391.56, 39,558.72 and 13,212.14 is: 19,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.56 : 39,558.72 = 13,212.14 : x
  2. Step 2: Convert to fraction form
    26,391.56/39,558.72 = 13,212.14/x
  3. Step 3: Cross multiply
    26,391.56x = 39,558.72 × 13,212.14
  4. Step 4: Simplify right side
    26,391.56x = 522,655,346.86
  5. Step 5: Solve for x
    x = 522,655,346.86/26,391.56
  6. Step 6: Final answer
    x = 19,803.88

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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.