Home / 27,725.69-38,256.10-15,788.77

Finding the Fourth Proportional to 27,725.69, 38,256.10 and 15,788.77

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Solution

The fourth proportional to 27,725.69, 38,256.10 and 15,788.77 is: 21,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.69 : 38,256.10 = 15,788.77 : x
  2. Step 2: Convert to fraction form
    27,725.69/38,256.10 = 15,788.77/x
  3. Step 3: Cross multiply
    27,725.69x = 38,256.10 × 15,788.77
  4. Step 4: Simplify right side
    27,725.69x = 604,016,844.08
  5. Step 5: Solve for x
    x = 604,016,844.08/27,725.69
  6. Step 6: Final answer
    x = 21,785.46

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