Home / 26,439.90-39,623.81-13,301.30

Finding the Fourth Proportional to 26,439.90, 39,623.81 and 13,301.30

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Solution

The fourth proportional to 26,439.90, 39,623.81 and 13,301.30 is: 19,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.90 : 39,623.81 = 13,301.30 : x
  2. Step 2: Convert to fraction form
    26,439.90/39,623.81 = 13,301.30/x
  3. Step 3: Cross multiply
    26,439.90x = 39,623.81 × 13,301.30
  4. Step 4: Simplify right side
    26,439.90x = 527,047,919.33
  5. Step 5: Solve for x
    x = 527,047,919.33/26,439.90
  6. Step 6: Final answer
    x = 19,933.81

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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.