Home / 28,956.72-43,444.80-9,238.08

Finding the Fourth Proportional to 28,956.72, 43,444.80 and 9,238.08

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Solution

The fourth proportional to 28,956.72, 43,444.80 and 9,238.08 is: 13,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.72 : 43,444.80 = 9,238.08 : x
  2. Step 2: Convert to fraction form
    28,956.72/43,444.80 = 9,238.08/x
  3. Step 3: Cross multiply
    28,956.72x = 43,444.80 × 9,238.08
  4. Step 4: Simplify right side
    28,956.72x = 401,346,537.98
  5. Step 5: Solve for x
    x = 401,346,537.98/28,956.72
  6. Step 6: Final answer
    x = 13,860.22

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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.