Home / 28,688.30-43,010.85-12,034.70

Finding the Fourth Proportional to 28,688.30, 43,010.85 and 12,034.70

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Solution

The fourth proportional to 28,688.30, 43,010.85 and 12,034.70 is: 18,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.30 : 43,010.85 = 12,034.70 : x
  2. Step 2: Convert to fraction form
    28,688.30/43,010.85 = 12,034.70/x
  3. Step 3: Cross multiply
    28,688.30x = 43,010.85 × 12,034.70
  4. Step 4: Simplify right side
    28,688.30x = 517,622,676.50
  5. Step 5: Solve for x
    x = 517,622,676.50/28,688.30
  6. Step 6: Final answer
    x = 18,042.99

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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.