Home / 26,376.16-39,571.52-13,212.64

Finding the Fourth Proportional to 26,376.16, 39,571.52 and 13,212.64

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Solution

The fourth proportional to 26,376.16, 39,571.52 and 13,212.64 is: 19,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.16 : 39,571.52 = 13,212.64 : x
  2. Step 2: Convert to fraction form
    26,376.16/39,571.52 = 13,212.64/x
  3. Step 3: Cross multiply
    26,376.16x = 39,571.52 × 13,212.64
  4. Step 4: Simplify right side
    26,376.16x = 522,844,248.01
  5. Step 5: Solve for x
    x = 522,844,248.01/26,376.16
  6. Step 6: Final answer
    x = 19,822.61

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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.