Home / 28,848.20-43,279.50-8,071.52

Finding the Fourth Proportional to 28,848.20, 43,279.50 and 8,071.52

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Solution

The fourth proportional to 28,848.20, 43,279.50 and 8,071.52 is: 12,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.20 : 43,279.50 = 8,071.52 : x
  2. Step 2: Convert to fraction form
    28,848.20/43,279.50 = 8,071.52/x
  3. Step 3: Cross multiply
    28,848.20x = 43,279.50 × 8,071.52
  4. Step 4: Simplify right side
    28,848.20x = 349,331,349.84
  5. Step 5: Solve for x
    x = 349,331,349.84/28,848.20
  6. Step 6: Final answer
    x = 12,109.29

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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.