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Finding the Fourth Proportional to 25,672.80, 35,409.50 and 16,232.26

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Solution

The fourth proportional to 25,672.80, 35,409.50 and 16,232.26 is: 22,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.80 : 35,409.50 = 16,232.26 : x
  2. Step 2: Convert to fraction form
    25,672.80/35,409.50 = 16,232.26/x
  3. Step 3: Cross multiply
    25,672.80x = 35,409.50 × 16,232.26
  4. Step 4: Simplify right side
    25,672.80x = 574,776,210.47
  5. Step 5: Solve for x
    x = 574,776,210.47/25,672.80
  6. Step 6: Final answer
    x = 22,388.53

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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.