Home / 26,631.44-39,947.16-12,592.88

Finding the Fourth Proportional to 26,631.44, 39,947.16 and 12,592.88

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Solution

The fourth proportional to 26,631.44, 39,947.16 and 12,592.88 is: 18,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.44 : 39,947.16 = 12,592.88 : x
  2. Step 2: Convert to fraction form
    26,631.44/39,947.16 = 12,592.88/x
  3. Step 3: Cross multiply
    26,631.44x = 39,947.16 × 12,592.88
  4. Step 4: Simplify right side
    26,631.44x = 503,049,792.22
  5. Step 5: Solve for x
    x = 503,049,792.22/26,631.44
  6. Step 6: Final answer
    x = 18,889.32

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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.