Home / 21,799.26-30,062.07-13,827.30

Finding the Fourth Proportional to 21,799.26, 30,062.07 and 13,827.30

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Solution

The fourth proportional to 21,799.26, 30,062.07 and 13,827.30 is: 19,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,799.26 : 30,062.07 = 13,827.30 : x
  2. Step 2: Convert to fraction form
    21,799.26/30,062.07 = 13,827.30/x
  3. Step 3: Cross multiply
    21,799.26x = 30,062.07 × 13,827.30
  4. Step 4: Simplify right side
    21,799.26x = 415,677,260.51
  5. Step 5: Solve for x
    x = 415,677,260.51/21,799.26
  6. Step 6: Final answer
    x = 19,068.41

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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.