Home / 26,491.51-39,736.35-12,443.68

Finding the Fourth Proportional to 26,491.51, 39,736.35 and 12,443.68

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Solution

The fourth proportional to 26,491.51, 39,736.35 and 12,443.68 is: 18,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.51 : 39,736.35 = 12,443.68 : x
  2. Step 2: Convert to fraction form
    26,491.51/39,736.35 = 12,443.68/x
  3. Step 3: Cross multiply
    26,491.51x = 39,736.35 × 12,443.68
  4. Step 4: Simplify right side
    26,491.51x = 494,466,423.77
  5. Step 5: Solve for x
    x = 494,466,423.77/26,491.51
  6. Step 6: Final answer
    x = 18,665.09

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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.