Home / 28,267.67-42,406.97-10,749.80

Finding the Fourth Proportional to 28,267.67, 42,406.97 and 10,749.80

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Solution

The fourth proportional to 28,267.67, 42,406.97 and 10,749.80 is: 16,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.67 : 42,406.97 = 10,749.80 : x
  2. Step 2: Convert to fraction form
    28,267.67/42,406.97 = 10,749.80/x
  3. Step 3: Cross multiply
    28,267.67x = 42,406.97 × 10,749.80
  4. Step 4: Simplify right side
    28,267.67x = 455,866,180.32
  5. Step 5: Solve for x
    x = 455,866,180.32/28,267.67
  6. Step 6: Final answer
    x = 16,126.77

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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.