Home / 28,664.46-42,996.69-9,944.52

Finding the Fourth Proportional to 28,664.46, 42,996.69 and 9,944.52

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Solution

The fourth proportional to 28,664.46, 42,996.69 and 9,944.52 is: 14,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.46 : 42,996.69 = 9,944.52 : x
  2. Step 2: Convert to fraction form
    28,664.46/42,996.69 = 9,944.52/x
  3. Step 3: Cross multiply
    28,664.46x = 42,996.69 × 9,944.52
  4. Step 4: Simplify right side
    28,664.46x = 427,581,443.64
  5. Step 5: Solve for x
    x = 427,581,443.64/28,664.46
  6. Step 6: Final answer
    x = 14,916.78

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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.