Home / 28,272.87-42,399.57-14,227.47

Finding the Fourth Proportional to 28,272.87, 42,399.57 and 14,227.47

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Solution

The fourth proportional to 28,272.87, 42,399.57 and 14,227.47 is: 21,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.87 : 42,399.57 = 14,227.47 : x
  2. Step 2: Convert to fraction form
    28,272.87/42,399.57 = 14,227.47/x
  3. Step 3: Cross multiply
    28,272.87x = 42,399.57 × 14,227.47
  4. Step 4: Simplify right side
    28,272.87x = 603,238,610.19
  5. Step 5: Solve for x
    x = 603,238,610.19/28,272.87
  6. Step 6: Final answer
    x = 21,336.31

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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.