Home / 28,701.21-39,607.39-15,954.06

Finding the Fourth Proportional to 28,701.21, 39,607.39 and 15,954.06

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Solution

The fourth proportional to 28,701.21, 39,607.39 and 15,954.06 is: 22,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.21 : 39,607.39 = 15,954.06 : x
  2. Step 2: Convert to fraction form
    28,701.21/39,607.39 = 15,954.06/x
  3. Step 3: Cross multiply
    28,701.21x = 39,607.39 × 15,954.06
  4. Step 4: Simplify right side
    28,701.21x = 631,898,676.50
  5. Step 5: Solve for x
    x = 631,898,676.50/28,701.21
  6. Step 6: Final answer
    x = 22,016.45

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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.