Home / 26,130.48-39,122.64-13,623.12

Finding the Fourth Proportional to 26,130.48, 39,122.64 and 13,623.12

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Solution

The fourth proportional to 26,130.48, 39,122.64 and 13,623.12 is: 20,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.48 : 39,122.64 = 13,623.12 : x
  2. Step 2: Convert to fraction form
    26,130.48/39,122.64 = 13,623.12/x
  3. Step 3: Cross multiply
    26,130.48x = 39,122.64 × 13,623.12
  4. Step 4: Simplify right side
    26,130.48x = 532,972,419.44
  5. Step 5: Solve for x
    x = 532,972,419.44/26,130.48
  6. Step 6: Final answer
    x = 20,396.58

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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.