Home / 28,534.20-42,704.10-26,201.40

Finding the Fourth Proportional to 28,534.20, 42,704.10 and 26,201.40

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Solution

The fourth proportional to 28,534.20, 42,704.10 and 26,201.40 is: 39,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.20 : 42,704.10 = 26,201.40 : x
  2. Step 2: Convert to fraction form
    28,534.20/42,704.10 = 26,201.40/x
  3. Step 3: Cross multiply
    28,534.20x = 42,704.10 × 26,201.40
  4. Step 4: Simplify right side
    28,534.20x = 1,118,907,205.74
  5. Step 5: Solve for x
    x = 1,118,907,205.74/28,534.20
  6. Step 6: Final answer
    x = 39,212.85

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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.