Home / 26,386.21-39,588.99-13,905.73

Finding the Fourth Proportional to 26,386.21, 39,588.99 and 13,905.73

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Solution

The fourth proportional to 26,386.21, 39,588.99 and 13,905.73 is: 20,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.21 : 39,588.99 = 13,905.73 : x
  2. Step 2: Convert to fraction form
    26,386.21/39,588.99 = 13,905.73/x
  3. Step 3: Cross multiply
    26,386.21x = 39,588.99 × 13,905.73
  4. Step 4: Simplify right side
    26,386.21x = 550,513,805.91
  5. Step 5: Solve for x
    x = 550,513,805.91/26,386.21
  6. Step 6: Final answer
    x = 20,863.69

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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.