Home / 26,040.65-39,062.79-12,889.49

Finding the Fourth Proportional to 26,040.65, 39,062.79 and 12,889.49

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Solution

The fourth proportional to 26,040.65, 39,062.79 and 12,889.49 is: 19,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.65 : 39,062.79 = 12,889.49 : x
  2. Step 2: Convert to fraction form
    26,040.65/39,062.79 = 12,889.49/x
  3. Step 3: Cross multiply
    26,040.65x = 39,062.79 × 12,889.49
  4. Step 4: Simplify right side
    26,040.65x = 503,499,245.76
  5. Step 5: Solve for x
    x = 503,499,245.76/26,040.65
  6. Step 6: Final answer
    x = 19,335.13

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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.