Home / 28,293.58-42,430.33-8,297.52

Finding the Fourth Proportional to 28,293.58, 42,430.33 and 8,297.52

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Solution

The fourth proportional to 28,293.58, 42,430.33 and 8,297.52 is: 12,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.58 : 42,430.33 = 8,297.52 : x
  2. Step 2: Convert to fraction form
    28,293.58/42,430.33 = 8,297.52/x
  3. Step 3: Cross multiply
    28,293.58x = 42,430.33 × 8,297.52
  4. Step 4: Simplify right side
    28,293.58x = 352,066,511.78
  5. Step 5: Solve for x
    x = 352,066,511.78/28,293.58
  6. Step 6: Final answer
    x = 12,443.34

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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.