Home / 21,528.68-32,168.35-16,503.56

Finding the Fourth Proportional to 21,528.68, 32,168.35 and 16,503.56

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Solution

The fourth proportional to 21,528.68, 32,168.35 and 16,503.56 is: 24,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.68 : 32,168.35 = 16,503.56 : x
  2. Step 2: Convert to fraction form
    21,528.68/32,168.35 = 16,503.56/x
  3. Step 3: Cross multiply
    21,528.68x = 32,168.35 × 16,503.56
  4. Step 4: Simplify right side
    21,528.68x = 530,892,294.33
  5. Step 5: Solve for x
    x = 530,892,294.33/21,528.68
  6. Step 6: Final answer
    x = 24,659.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.