Home / 40,268.40-60,409.80-16,897.20

Finding the Fourth Proportional to 40,268.40, 60,409.80 and 16,897.20

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Solution

The fourth proportional to 40,268.40, 60,409.80 and 16,897.20 is: 25,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.40 : 60,409.80 = 16,897.20 : x
  2. Step 2: Convert to fraction form
    40,268.40/60,409.80 = 16,897.20/x
  3. Step 3: Cross multiply
    40,268.40x = 60,409.80 × 16,897.20
  4. Step 4: Simplify right side
    40,268.40x = 1,020,756,472.56
  5. Step 5: Solve for x
    x = 1,020,756,472.56/40,268.40
  6. Step 6: Final answer
    x = 25,348.82

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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.