Home / 28,574.42-42,861.62-12,996.50

Finding the Fourth Proportional to 28,574.42, 42,861.62 and 12,996.50

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Solution

The fourth proportional to 28,574.42, 42,861.62 and 12,996.50 is: 19,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.42 : 42,861.62 = 12,996.50 : x
  2. Step 2: Convert to fraction form
    28,574.42/42,861.62 = 12,996.50/x
  3. Step 3: Cross multiply
    28,574.42x = 42,861.62 × 12,996.50
  4. Step 4: Simplify right side
    28,574.42x = 557,051,044.33
  5. Step 5: Solve for x
    x = 557,051,044.33/28,574.42
  6. Step 6: Final answer
    x = 19,494.75

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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.