Home / 25,272.80-37,909.20-16,415.45

Finding the Fourth Proportional to 25,272.80, 37,909.20 and 16,415.45

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Solution

The fourth proportional to 25,272.80, 37,909.20 and 16,415.45 is: 24,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.80 : 37,909.20 = 16,415.45 : x
  2. Step 2: Convert to fraction form
    25,272.80/37,909.20 = 16,415.45/x
  3. Step 3: Cross multiply
    25,272.80x = 37,909.20 × 16,415.45
  4. Step 4: Simplify right side
    25,272.80x = 622,296,577.14
  5. Step 5: Solve for x
    x = 622,296,577.14/25,272.80
  6. Step 6: Final answer
    x = 24,623.18

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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.