Home / 28,310.24-42,450.72-12,714.56

Finding the Fourth Proportional to 28,310.24, 42,450.72 and 12,714.56

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Solution

The fourth proportional to 28,310.24, 42,450.72 and 12,714.56 is: 19,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.24 : 42,450.72 = 12,714.56 : x
  2. Step 2: Convert to fraction form
    28,310.24/42,450.72 = 12,714.56/x
  3. Step 3: Cross multiply
    28,310.24x = 42,450.72 × 12,714.56
  4. Step 4: Simplify right side
    28,310.24x = 539,742,226.48
  5. Step 5: Solve for x
    x = 539,742,226.48/28,310.24
  6. Step 6: Final answer
    x = 19,065.26

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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.