Home / 28,037.34-42,056.01-12,453.75

Finding the Fourth Proportional to 28,037.34, 42,056.01 and 12,453.75

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Solution

The fourth proportional to 28,037.34, 42,056.01 and 12,453.75 is: 18,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.34 : 42,056.01 = 12,453.75 : x
  2. Step 2: Convert to fraction form
    28,037.34/42,056.01 = 12,453.75/x
  3. Step 3: Cross multiply
    28,037.34x = 42,056.01 × 12,453.75
  4. Step 4: Simplify right side
    28,037.34x = 523,755,034.54
  5. Step 5: Solve for x
    x = 523,755,034.54/28,037.34
  6. Step 6: Final answer
    x = 18,680.63

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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.