Home / 28,790.70-43,186.05-11,248.23

Finding the Fourth Proportional to 28,790.70, 43,186.05 and 11,248.23

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Solution

The fourth proportional to 28,790.70, 43,186.05 and 11,248.23 is: 16,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.70 : 43,186.05 = 11,248.23 : x
  2. Step 2: Convert to fraction form
    28,790.70/43,186.05 = 11,248.23/x
  3. Step 3: Cross multiply
    28,790.70x = 43,186.05 × 11,248.23
  4. Step 4: Simplify right side
    28,790.70x = 485,766,623.19
  5. Step 5: Solve for x
    x = 485,766,623.19/28,790.70
  6. Step 6: Final answer
    x = 16,872.35

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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.