Home / 28,987.40-43,481.10-26,222.60

Finding the Fourth Proportional to 28,987.40, 43,481.10 and 26,222.60

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Solution

The fourth proportional to 28,987.40, 43,481.10 and 26,222.60 is: 39,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.40 : 43,481.10 = 26,222.60 : x
  2. Step 2: Convert to fraction form
    28,987.40/43,481.10 = 26,222.60/x
  3. Step 3: Cross multiply
    28,987.40x = 43,481.10 × 26,222.60
  4. Step 4: Simplify right side
    28,987.40x = 1,140,187,492.86
  5. Step 5: Solve for x
    x = 1,140,187,492.86/28,987.40
  6. Step 6: Final answer
    x = 39,333.90

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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.