Home / 28,910.60-43,336.08-14,101.22

Finding the Fourth Proportional to 28,910.60, 43,336.08 and 14,101.22

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Solution

The fourth proportional to 28,910.60, 43,336.08 and 14,101.22 is: 21,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.60 : 43,336.08 = 14,101.22 : x
  2. Step 2: Convert to fraction form
    28,910.60/43,336.08 = 14,101.22/x
  3. Step 3: Cross multiply
    28,910.60x = 43,336.08 × 14,101.22
  4. Step 4: Simplify right side
    28,910.60x = 611,091,598.02
  5. Step 5: Solve for x
    x = 611,091,598.02/28,910.60
  6. Step 6: Final answer
    x = 21,137.29

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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.