Home / 28,767.85-43,156.43-8,506.66

Finding the Fourth Proportional to 28,767.85, 43,156.43 and 8,506.66

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Solution

The fourth proportional to 28,767.85, 43,156.43 and 8,506.66 is: 12,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.85 : 43,156.43 = 8,506.66 : x
  2. Step 2: Convert to fraction form
    28,767.85/43,156.43 = 8,506.66/x
  3. Step 3: Cross multiply
    28,767.85x = 43,156.43 × 8,506.66
  4. Step 4: Simplify right side
    28,767.85x = 367,117,088.24
  5. Step 5: Solve for x
    x = 367,117,088.24/28,767.85
  6. Step 6: Final answer
    x = 12,761.37

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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.