Home / 21,685.40-32,527.92-11,158.36

Finding the Fourth Proportional to 21,685.40, 32,527.92 and 11,158.36

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Solution

The fourth proportional to 21,685.40, 32,527.92 and 11,158.36 is: 16,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685.40 : 32,527.92 = 11,158.36 : x
  2. Step 2: Convert to fraction form
    21,685.40/32,527.92 = 11,158.36/x
  3. Step 3: Cross multiply
    21,685.40x = 32,527.92 × 11,158.36
  4. Step 4: Simplify right side
    21,685.40x = 362,958,241.41
  5. Step 5: Solve for x
    x = 362,958,241.41/21,685.40
  6. Step 6: Final answer
    x = 16,737.45

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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.