Home / 27,765.18-38,316.96-15,826.59

Finding the Fourth Proportional to 27,765.18, 38,316.96 and 15,826.59

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Solution

The fourth proportional to 27,765.18, 38,316.96 and 15,826.59 is: 21,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.18 : 38,316.96 = 15,826.59 : x
  2. Step 2: Convert to fraction form
    27,765.18/38,316.96 = 15,826.59/x
  3. Step 3: Cross multiply
    27,765.18x = 38,316.96 × 15,826.59
  4. Step 4: Simplify right side
    27,765.18x = 606,426,815.97
  5. Step 5: Solve for x
    x = 606,426,815.97/27,765.18
  6. Step 6: Final answer
    x = 21,841.27

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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.