Home / 28,686.26-43,029.43-8,964.92

Finding the Fourth Proportional to 28,686.26, 43,029.43 and 8,964.92

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Solution

The fourth proportional to 28,686.26, 43,029.43 and 8,964.92 is: 13,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686.26 : 43,029.43 = 8,964.92 : x
  2. Step 2: Convert to fraction form
    28,686.26/43,029.43 = 8,964.92/x
  3. Step 3: Cross multiply
    28,686.26x = 43,029.43 × 8,964.92
  4. Step 4: Simplify right side
    28,686.26x = 385,755,482.76
  5. Step 5: Solve for x
    x = 385,755,482.76/28,686.26
  6. Step 6: Final answer
    x = 13,447.39

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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.