Home / 28,853.43-43,254.01-11,318.55

Finding the Fourth Proportional to 28,853.43, 43,254.01 and 11,318.55

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Solution

The fourth proportional to 28,853.43, 43,254.01 and 11,318.55 is: 16,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.43 : 43,254.01 = 11,318.55 : x
  2. Step 2: Convert to fraction form
    28,853.43/43,254.01 = 11,318.55/x
  3. Step 3: Cross multiply
    28,853.43x = 43,254.01 × 11,318.55
  4. Step 4: Simplify right side
    28,853.43x = 489,572,674.89
  5. Step 5: Solve for x
    x = 489,572,674.89/28,853.43
  6. Step 6: Final answer
    x = 16,967.57

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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.