Home / 25,219.80-34,765.98-16,143.83

Finding the Fourth Proportional to 25,219.80, 34,765.98 and 16,143.83

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Solution

The fourth proportional to 25,219.80, 34,765.98 and 16,143.83 is: 22,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.80 : 34,765.98 = 16,143.83 : x
  2. Step 2: Convert to fraction form
    25,219.80/34,765.98 = 16,143.83/x
  3. Step 3: Cross multiply
    25,219.80x = 34,765.98 × 16,143.83
  4. Step 4: Simplify right side
    25,219.80x = 561,256,070.90
  5. Step 5: Solve for x
    x = 561,256,070.90/25,219.80
  6. Step 6: Final answer
    x = 22,254.58

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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.