Home / 28,288.89-42,433.88-8,567.37

Finding the Fourth Proportional to 28,288.89, 42,433.88 and 8,567.37

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Solution

The fourth proportional to 28,288.89, 42,433.88 and 8,567.37 is: 12,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288.89 : 42,433.88 = 8,567.37 : x
  2. Step 2: Convert to fraction form
    28,288.89/42,433.88 = 8,567.37/x
  3. Step 3: Cross multiply
    28,288.89x = 42,433.88 × 8,567.37
  4. Step 4: Simplify right side
    28,288.89x = 363,546,707.66
  5. Step 5: Solve for x
    x = 363,546,707.66/28,288.89
  6. Step 6: Final answer
    x = 12,851.22

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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.