Home / 21,376.41-32,050.79-11,522.76

Finding the Fourth Proportional to 21,376.41, 32,050.79 and 11,522.76

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Solution

The fourth proportional to 21,376.41, 32,050.79 and 11,522.76 is: 17,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.41 : 32,050.79 = 11,522.76 : x
  2. Step 2: Convert to fraction form
    21,376.41/32,050.79 = 11,522.76/x
  3. Step 3: Cross multiply
    21,376.41x = 32,050.79 × 11,522.76
  4. Step 4: Simplify right side
    21,376.41x = 369,313,426.39
  5. Step 5: Solve for x
    x = 369,313,426.39/21,376.41
  6. Step 6: Final answer
    x = 17,276.68

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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.