Home / 21,474.91-32,223.60-15,600.32

Finding the Fourth Proportional to 21,474.91, 32,223.60 and 15,600.32

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Solution

The fourth proportional to 21,474.91, 32,223.60 and 15,600.32 is: 23,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.91 : 32,223.60 = 15,600.32 : x
  2. Step 2: Convert to fraction form
    21,474.91/32,223.60 = 15,600.32/x
  3. Step 3: Cross multiply
    21,474.91x = 32,223.60 × 15,600.32
  4. Step 4: Simplify right side
    21,474.91x = 502,698,471.55
  5. Step 5: Solve for x
    x = 502,698,471.55/21,474.91
  6. Step 6: Final answer
    x = 23,408.64

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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.