Home / 28,900.10-43,350.15-26,999.30

Finding the Fourth Proportional to 28,900.10, 43,350.15 and 26,999.30

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Solution

The fourth proportional to 28,900.10, 43,350.15 and 26,999.30 is: 40,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.10 : 43,350.15 = 26,999.30 : x
  2. Step 2: Convert to fraction form
    28,900.10/43,350.15 = 26,999.30/x
  3. Step 3: Cross multiply
    28,900.10x = 43,350.15 × 26,999.30
  4. Step 4: Simplify right side
    28,900.10x = 1,170,423,704.90
  5. Step 5: Solve for x
    x = 1,170,423,704.90/28,900.10
  6. Step 6: Final answer
    x = 40,498.95

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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.