Home / 19,676.34-27,292.40-18,967.05

Finding the Fourth Proportional to 19,676.34, 27,292.40 and 18,967.05

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Solution

The fourth proportional to 19,676.34, 27,292.40 and 18,967.05 is: 26,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.34 : 27,292.40 = 18,967.05 : x
  2. Step 2: Convert to fraction form
    19,676.34/27,292.40 = 18,967.05/x
  3. Step 3: Cross multiply
    19,676.34x = 27,292.40 × 18,967.05
  4. Step 4: Simplify right side
    19,676.34x = 517,656,220.58
  5. Step 5: Solve for x
    x = 517,656,220.58/19,676.34
  6. Step 6: Final answer
    x = 26,308.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.