Home / 27,725.35-41,587.40-18,818.45

Finding the Fourth Proportional to 27,725.35, 41,587.40 and 18,818.45

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Solution

The fourth proportional to 27,725.35, 41,587.40 and 18,818.45 is: 28,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.35 : 41,587.40 = 18,818.45 : x
  2. Step 2: Convert to fraction form
    27,725.35/41,587.40 = 18,818.45/x
  3. Step 3: Cross multiply
    27,725.35x = 41,587.40 × 18,818.45
  4. Step 4: Simplify right side
    27,725.35x = 782,610,466.63
  5. Step 5: Solve for x
    x = 782,610,466.63/27,725.35
  6. Step 6: Final answer
    x = 28,227.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.