Home / 28,537.38-42,790.68-8,810.64

Finding the Fourth Proportional to 28,537.38, 42,790.68 and 8,810.64

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Solution

The fourth proportional to 28,537.38, 42,790.68 and 8,810.64 is: 13,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.38 : 42,790.68 = 8,810.64 : x
  2. Step 2: Convert to fraction form
    28,537.38/42,790.68 = 8,810.64/x
  3. Step 3: Cross multiply
    28,537.38x = 42,790.68 × 8,810.64
  4. Step 4: Simplify right side
    28,537.38x = 377,013,276.84
  5. Step 5: Solve for x
    x = 377,013,276.84/28,537.38
  6. Step 6: Final answer
    x = 13,211.21

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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.