Home / 27,164.51-40,774.41-18,731.58

Finding the Fourth Proportional to 27,164.51, 40,774.41 and 18,731.58

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Solution

The fourth proportional to 27,164.51, 40,774.41 and 18,731.58 is: 28,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.51 : 40,774.41 = 18,731.58 : x
  2. Step 2: Convert to fraction form
    27,164.51/40,774.41 = 18,731.58/x
  3. Step 3: Cross multiply
    27,164.51x = 40,774.41 × 18,731.58
  4. Step 4: Simplify right side
    27,164.51x = 763,769,137.32
  5. Step 5: Solve for x
    x = 763,769,137.32/27,164.51
  6. Step 6: Final answer
    x = 28,116.43

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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.