Home / 28,746.41-43,126.08-8,757.68

Finding the Fourth Proportional to 28,746.41, 43,126.08 and 8,757.68

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Solution

The fourth proportional to 28,746.41, 43,126.08 and 8,757.68 is: 13,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.41 : 43,126.08 = 8,757.68 : x
  2. Step 2: Convert to fraction form
    28,746.41/43,126.08 = 8,757.68/x
  3. Step 3: Cross multiply
    28,746.41x = 43,126.08 × 8,757.68
  4. Step 4: Simplify right side
    28,746.41x = 377,684,192.66
  5. Step 5: Solve for x
    x = 377,684,192.66/28,746.41
  6. Step 6: Final answer
    x = 13,138.48

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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.