Home / 28,321.75-42,424.30-16,606.72

Finding the Fourth Proportional to 28,321.75, 42,424.30 and 16,606.72

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Solution

The fourth proportional to 28,321.75, 42,424.30 and 16,606.72 is: 24,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.75 : 42,424.30 = 16,606.72 : x
  2. Step 2: Convert to fraction form
    28,321.75/42,424.30 = 16,606.72/x
  3. Step 3: Cross multiply
    28,321.75x = 42,424.30 × 16,606.72
  4. Step 4: Simplify right side
    28,321.75x = 704,528,471.30
  5. Step 5: Solve for x
    x = 704,528,471.30/28,321.75
  6. Step 6: Final answer
    x = 24,875.88

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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.