Home / 28,946.08-43,425.44-12,306.56

Finding the Fourth Proportional to 28,946.08, 43,425.44 and 12,306.56

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Solution

The fourth proportional to 28,946.08, 43,425.44 and 12,306.56 is: 18,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.08 : 43,425.44 = 12,306.56 : x
  2. Step 2: Convert to fraction form
    28,946.08/43,425.44 = 12,306.56/x
  3. Step 3: Cross multiply
    28,946.08x = 43,425.44 × 12,306.56
  4. Step 4: Simplify right side
    28,946.08x = 534,417,782.89
  5. Step 5: Solve for x
    x = 534,417,782.89/28,946.08
  6. Step 6: Final answer
    x = 18,462.53

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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.