Home / 26,661.47-39,965.68-12,596.58

Finding the Fourth Proportional to 26,661.47, 39,965.68 and 12,596.58

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Solution

The fourth proportional to 26,661.47, 39,965.68 and 12,596.58 is: 18,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.47 : 39,965.68 = 12,596.58 : x
  2. Step 2: Convert to fraction form
    26,661.47/39,965.68 = 12,596.58/x
  3. Step 3: Cross multiply
    26,661.47x = 39,965.68 × 12,596.58
  4. Step 4: Simplify right side
    26,661.47x = 503,430,885.37
  5. Step 5: Solve for x
    x = 503,430,885.37/26,661.47
  6. Step 6: Final answer
    x = 18,882.34

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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.