Home / 28,887.30-43,339.32-14,104.80

Finding the Fourth Proportional to 28,887.30, 43,339.32 and 14,104.80

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Solution

The fourth proportional to 28,887.30, 43,339.32 and 14,104.80 is: 21,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.30 : 43,339.32 = 14,104.80 : x
  2. Step 2: Convert to fraction form
    28,887.30/43,339.32 = 14,104.80/x
  3. Step 3: Cross multiply
    28,887.30x = 43,339.32 × 14,104.80
  4. Step 4: Simplify right side
    28,887.30x = 611,292,440.74
  5. Step 5: Solve for x
    x = 611,292,440.74/28,887.30
  6. Step 6: Final answer
    x = 21,161.29

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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.