Home / 28,739.16-43,108.74-7,962.66

Finding the Fourth Proportional to 28,739.16, 43,108.74 and 7,962.66

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Solution

The fourth proportional to 28,739.16, 43,108.74 and 7,962.66 is: 11,943.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.16 : 43,108.74 = 7,962.66 : x
  2. Step 2: Convert to fraction form
    28,739.16/43,108.74 = 7,962.66/x
  3. Step 3: Cross multiply
    28,739.16x = 43,108.74 × 7,962.66
  4. Step 4: Simplify right side
    28,739.16x = 343,260,239.65
  5. Step 5: Solve for x
    x = 343,260,239.65/28,739.16
  6. Step 6: Final answer
    x = 11,943.99

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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.