Home / 28,927.58-43,397.76-12,301.88

Finding the Fourth Proportional to 28,927.58, 43,397.76 and 12,301.88

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Solution

The fourth proportional to 28,927.58, 43,397.76 and 12,301.88 is: 18,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.58 : 43,397.76 = 12,301.88 : x
  2. Step 2: Convert to fraction form
    28,927.58/43,397.76 = 12,301.88/x
  3. Step 3: Cross multiply
    28,927.58x = 43,397.76 × 12,301.88
  4. Step 4: Simplify right side
    28,927.58x = 533,874,035.79
  5. Step 5: Solve for x
    x = 533,874,035.79/28,927.58
  6. Step 6: Final answer
    x = 18,455.54

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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.