Home / 28,483.91-42,725.96-8,762.33

Finding the Fourth Proportional to 28,483.91, 42,725.96 and 8,762.33

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Solution

The fourth proportional to 28,483.91, 42,725.96 and 8,762.33 is: 13,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.91 : 42,725.96 = 8,762.33 : x
  2. Step 2: Convert to fraction form
    28,483.91/42,725.96 = 8,762.33/x
  3. Step 3: Cross multiply
    28,483.91x = 42,725.96 × 8,762.33
  4. Step 4: Simplify right side
    28,483.91x = 374,378,769.36
  5. Step 5: Solve for x
    x = 374,378,769.36/28,483.91
  6. Step 6: Final answer
    x = 13,143.52

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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.