Home / 28,193.90-38,898.74-16,255.62

Finding the Fourth Proportional to 28,193.90, 38,898.74 and 16,255.62

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Solution

The fourth proportional to 28,193.90, 38,898.74 and 16,255.62 is: 22,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.90 : 38,898.74 = 16,255.62 : x
  2. Step 2: Convert to fraction form
    28,193.90/38,898.74 = 16,255.62/x
  3. Step 3: Cross multiply
    28,193.90x = 38,898.74 × 16,255.62
  4. Step 4: Simplify right side
    28,193.90x = 632,323,135.92
  5. Step 5: Solve for x
    x = 632,323,135.92/28,193.90
  6. Step 6: Final answer
    x = 22,427.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.