Home / 28,848.30-43,272.45-18,998.70

Finding the Fourth Proportional to 28,848.30, 43,272.45 and 18,998.70

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Solution

The fourth proportional to 28,848.30, 43,272.45 and 18,998.70 is: 28,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.30 : 43,272.45 = 18,998.70 : x
  2. Step 2: Convert to fraction form
    28,848.30/43,272.45 = 18,998.70/x
  3. Step 3: Cross multiply
    28,848.30x = 43,272.45 × 18,998.70
  4. Step 4: Simplify right side
    28,848.30x = 822,120,295.82
  5. Step 5: Solve for x
    x = 822,120,295.82/28,848.30
  6. Step 6: Final answer
    x = 28,498.05

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Similar ratio
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1.5x scale

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.