Home / 28,384.62-42,576.69-9,666.57

Finding the Fourth Proportional to 28,384.62, 42,576.69 and 9,666.57

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Solution

The fourth proportional to 28,384.62, 42,576.69 and 9,666.57 is: 14,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.62 : 42,576.69 = 9,666.57 : x
  2. Step 2: Convert to fraction form
    28,384.62/42,576.69 = 9,666.57/x
  3. Step 3: Cross multiply
    28,384.62x = 42,576.69 × 9,666.57
  4. Step 4: Simplify right side
    28,384.62x = 411,570,554.25
  5. Step 5: Solve for x
    x = 411,570,554.25/28,384.62
  6. Step 6: Final answer
    x = 14,499.77

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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.