Home / 28,988.43-43,488.83-8,997.50

Finding the Fourth Proportional to 28,988.43, 43,488.83 and 8,997.50

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Solution

The fourth proportional to 28,988.43, 43,488.83 and 8,997.50 is: 13,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.43 : 43,488.83 = 8,997.50 : x
  2. Step 2: Convert to fraction form
    28,988.43/43,488.83 = 8,997.50/x
  3. Step 3: Cross multiply
    28,988.43x = 43,488.83 × 8,997.50
  4. Step 4: Simplify right side
    28,988.43x = 391,290,879.14
  5. Step 5: Solve for x
    x = 391,290,879.14/28,988.43
  6. Step 6: Final answer
    x = 13,498.18

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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.