Home / 21,033.48-29,026.75-11,473.53

Finding the Fourth Proportional to 21,033.48, 29,026.75 and 11,473.53

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Solution

The fourth proportional to 21,033.48, 29,026.75 and 11,473.53 is: 15,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.48 : 29,026.75 = 11,473.53 : x
  2. Step 2: Convert to fraction form
    21,033.48/29,026.75 = 11,473.53/x
  3. Step 3: Cross multiply
    21,033.48x = 29,026.75 × 11,473.53
  4. Step 4: Simplify right side
    21,033.48x = 333,039,286.93
  5. Step 5: Solve for x
    x = 333,039,286.93/21,033.48
  6. Step 6: Final answer
    x = 15,833.77

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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.