Home / 28,676.36-43,036.64-14,459.36

Finding the Fourth Proportional to 28,676.36, 43,036.64 and 14,459.36

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Solution

The fourth proportional to 28,676.36, 43,036.64 and 14,459.36 is: 21,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.36 : 43,036.64 = 14,459.36 : x
  2. Step 2: Convert to fraction form
    28,676.36/43,036.64 = 14,459.36/x
  3. Step 3: Cross multiply
    28,676.36x = 43,036.64 × 14,459.36
  4. Step 4: Simplify right side
    28,676.36x = 622,281,983.47
  5. Step 5: Solve for x
    x = 622,281,983.47/28,676.36
  6. Step 6: Final answer
    x = 21,700.18

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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.