Home / 28,986.60-43,479.90-14,224.35

Finding the Fourth Proportional to 28,986.60, 43,479.90 and 14,224.35

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Solution

The fourth proportional to 28,986.60, 43,479.90 and 14,224.35 is: 21,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.60 : 43,479.90 = 14,224.35 : x
  2. Step 2: Convert to fraction form
    28,986.60/43,479.90 = 14,224.35/x
  3. Step 3: Cross multiply
    28,986.60x = 43,479.90 × 14,224.35
  4. Step 4: Simplify right side
    28,986.60x = 618,473,315.57
  5. Step 5: Solve for x
    x = 618,473,315.57/28,986.60
  6. Step 6: Final answer
    x = 21,336.53

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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.