Home / 28,676.60-43,007.70-10,204.28

Finding the Fourth Proportional to 28,676.60, 43,007.70 and 10,204.28

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Solution

The fourth proportional to 28,676.60, 43,007.70 and 10,204.28 is: 15,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.60 : 43,007.70 = 10,204.28 : x
  2. Step 2: Convert to fraction form
    28,676.60/43,007.70 = 10,204.28/x
  3. Step 3: Cross multiply
    28,676.60x = 43,007.70 × 10,204.28
  4. Step 4: Simplify right side
    28,676.60x = 438,862,612.96
  5. Step 5: Solve for x
    x = 438,862,612.96/28,676.60
  6. Step 6: Final answer
    x = 15,303.86

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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.