Home / 28,385.16-42,563.58-16,542.96

Finding the Fourth Proportional to 28,385.16, 42,563.58 and 16,542.96

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Solution

The fourth proportional to 28,385.16, 42,563.58 and 16,542.96 is: 24,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385.16 : 42,563.58 = 16,542.96 : x
  2. Step 2: Convert to fraction form
    28,385.16/42,563.58 = 16,542.96/x
  3. Step 3: Cross multiply
    28,385.16x = 42,563.58 × 16,542.96
  4. Step 4: Simplify right side
    28,385.16x = 704,127,601.40
  5. Step 5: Solve for x
    x = 704,127,601.40/28,385.16
  6. Step 6: Final answer
    x = 24,806.19

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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.