Home / 21,351.60-32,027.40-14,353.20

Finding the Fourth Proportional to 21,351.60, 32,027.40 and 14,353.20

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Solution

The fourth proportional to 21,351.60, 32,027.40 and 14,353.20 is: 21,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.60 : 32,027.40 = 14,353.20 : x
  2. Step 2: Convert to fraction form
    21,351.60/32,027.40 = 14,353.20/x
  3. Step 3: Cross multiply
    21,351.60x = 32,027.40 × 14,353.20
  4. Step 4: Simplify right side
    21,351.60x = 459,695,677.68
  5. Step 5: Solve for x
    x = 459,695,677.68/21,351.60
  6. Step 6: Final answer
    x = 21,529.80

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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.