Home / 28,327.62-42,486.21-13,126.62

Finding the Fourth Proportional to 28,327.62, 42,486.21 and 13,126.62

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Solution

The fourth proportional to 28,327.62, 42,486.21 and 13,126.62 is: 19,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.62 : 42,486.21 = 13,126.62 : x
  2. Step 2: Convert to fraction form
    28,327.62/42,486.21 = 13,126.62/x
  3. Step 3: Cross multiply
    28,327.62x = 42,486.21 × 13,126.62
  4. Step 4: Simplify right side
    28,327.62x = 557,700,333.91
  5. Step 5: Solve for x
    x = 557,700,333.91/28,327.62
  6. Step 6: Final answer
    x = 19,687.51

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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.