Home / 28,267.80-42,401.70-26,194.20

Finding the Fourth Proportional to 28,267.80, 42,401.70 and 26,194.20

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Solution

The fourth proportional to 28,267.80, 42,401.70 and 26,194.20 is: 39,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.80 : 42,401.70 = 26,194.20 : x
  2. Step 2: Convert to fraction form
    28,267.80/42,401.70 = 26,194.20/x
  3. Step 3: Cross multiply
    28,267.80x = 42,401.70 × 26,194.20
  4. Step 4: Simplify right side
    28,267.80x = 1,110,678,610.14
  5. Step 5: Solve for x
    x = 1,110,678,610.14/28,267.80
  6. Step 6: Final answer
    x = 39,291.30

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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.