Home / 28,898.44-43,330.36-12,011.08

Finding the Fourth Proportional to 28,898.44, 43,330.36 and 12,011.08

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Solution

The fourth proportional to 28,898.44, 43,330.36 and 12,011.08 is: 18,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.44 : 43,330.36 = 12,011.08 : x
  2. Step 2: Convert to fraction form
    28,898.44/43,330.36 = 12,011.08/x
  3. Step 3: Cross multiply
    28,898.44x = 43,330.36 × 12,011.08
  4. Step 4: Simplify right side
    28,898.44x = 520,444,420.39
  5. Step 5: Solve for x
    x = 520,444,420.39/28,898.44
  6. Step 6: Final answer
    x = 18,009.43

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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.