Home / 28,956.48-43,449.12-11,438.88

Finding the Fourth Proportional to 28,956.48, 43,449.12 and 11,438.88

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Solution

The fourth proportional to 28,956.48, 43,449.12 and 11,438.88 is: 17,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.48 : 43,449.12 = 11,438.88 : x
  2. Step 2: Convert to fraction form
    28,956.48/43,449.12 = 11,438.88/x
  3. Step 3: Cross multiply
    28,956.48x = 43,449.12 × 11,438.88
  4. Step 4: Simplify right side
    28,956.48x = 497,009,269.79
  5. Step 5: Solve for x
    x = 497,009,269.79/28,956.48
  6. Step 6: Final answer
    x = 17,164.01

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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.