Home / 21,727.60-32,591.40-14,340.40

Finding the Fourth Proportional to 21,727.60, 32,591.40 and 14,340.40

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Solution

The fourth proportional to 21,727.60, 32,591.40 and 14,340.40 is: 21,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.60 : 32,591.40 = 14,340.40 : x
  2. Step 2: Convert to fraction form
    21,727.60/32,591.40 = 14,340.40/x
  3. Step 3: Cross multiply
    21,727.60x = 32,591.40 × 14,340.40
  4. Step 4: Simplify right side
    21,727.60x = 467,373,712.56
  5. Step 5: Solve for x
    x = 467,373,712.56/21,727.60
  6. Step 6: Final answer
    x = 21,510.60

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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.