Home / 28,930.07-43,401.51-12,304.37

Finding the Fourth Proportional to 28,930.07, 43,401.51 and 12,304.37

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Solution

The fourth proportional to 28,930.07, 43,401.51 and 12,304.37 is: 18,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.07 : 43,401.51 = 12,304.37 : x
  2. Step 2: Convert to fraction form
    28,930.07/43,401.51 = 12,304.37/x
  3. Step 3: Cross multiply
    28,930.07x = 43,401.51 × 12,304.37
  4. Step 4: Simplify right side
    28,930.07x = 534,028,237.60
  5. Step 5: Solve for x
    x = 534,028,237.60/28,930.07
  6. Step 6: Final answer
    x = 18,459.28

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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.