Home / 27,641.58-38,146.42-15,706.94

Finding the Fourth Proportional to 27,641.58, 38,146.42 and 15,706.94

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Solution

The fourth proportional to 27,641.58, 38,146.42 and 15,706.94 is: 21,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.58 : 38,146.42 = 15,706.94 : x
  2. Step 2: Convert to fraction form
    27,641.58/38,146.42 = 15,706.94/x
  3. Step 3: Cross multiply
    27,641.58x = 38,146.42 × 15,706.94
  4. Step 4: Simplify right side
    27,641.58x = 599,163,530.15
  5. Step 5: Solve for x
    x = 599,163,530.15/27,641.58
  6. Step 6: Final answer
    x = 21,676.17

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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.