Home / 23,981.28-35,784.30-21,490.80

Finding the Fourth Proportional to 23,981.28, 35,784.30 and 21,490.80

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Solution

The fourth proportional to 23,981.28, 35,784.30 and 21,490.80 is: 32,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,981.28 : 35,784.30 = 21,490.80 : x
  2. Step 2: Convert to fraction form
    23,981.28/35,784.30 = 21,490.80/x
  3. Step 3: Cross multiply
    23,981.28x = 35,784.30 × 21,490.80
  4. Step 4: Simplify right side
    23,981.28x = 769,033,234.44
  5. Step 5: Solve for x
    x = 769,033,234.44/23,981.28
  6. Step 6: Final answer
    x = 32,068.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.