Home / 20,019.51-27,625.32-11,521.19

Finding the Fourth Proportional to 20,019.51, 27,625.32 and 11,521.19

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Solution

The fourth proportional to 20,019.51, 27,625.32 and 11,521.19 is: 15,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.51 : 27,625.32 = 11,521.19 : x
  2. Step 2: Convert to fraction form
    20,019.51/27,625.32 = 11,521.19/x
  3. Step 3: Cross multiply
    20,019.51x = 27,625.32 × 11,521.19
  4. Step 4: Simplify right side
    20,019.51x = 318,276,629.59
  5. Step 5: Solve for x
    x = 318,276,629.59/20,019.51
  6. Step 6: Final answer
    x = 15,898.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.