Home / 20,676.72-31,017.96-7,526.64

Finding the Fourth Proportional to 20,676.72, 31,017.96 and 7,526.64

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Solution

The fourth proportional to 20,676.72, 31,017.96 and 7,526.64 is: 11,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.72 : 31,017.96 = 7,526.64 : x
  2. Step 2: Convert to fraction form
    20,676.72/31,017.96 = 7,526.64/x
  3. Step 3: Cross multiply
    20,676.72x = 31,017.96 × 7,526.64
  4. Step 4: Simplify right side
    20,676.72x = 233,461,018.45
  5. Step 5: Solve for x
    x = 233,461,018.45/20,676.72
  6. Step 6: Final answer
    x = 11,291.01

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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.