Home / 21,523.28-32,267.64-12,157.52

Finding the Fourth Proportional to 21,523.28, 32,267.64 and 12,157.52

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Solution

The fourth proportional to 21,523.28, 32,267.64 and 12,157.52 is: 18,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.28 : 32,267.64 = 12,157.52 : x
  2. Step 2: Convert to fraction form
    21,523.28/32,267.64 = 12,157.52/x
  3. Step 3: Cross multiply
    21,523.28x = 32,267.64 × 12,157.52
  4. Step 4: Simplify right side
    21,523.28x = 392,294,478.65
  5. Step 5: Solve for x
    x = 392,294,478.65/21,523.28
  6. Step 6: Final answer
    x = 18,226.52

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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.