Home / 21,620.02-32,434.98-6,828.88

Finding the Fourth Proportional to 21,620.02, 32,434.98 and 6,828.88

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Solution

The fourth proportional to 21,620.02, 32,434.98 and 6,828.88 is: 10,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.02 : 32,434.98 = 6,828.88 : x
  2. Step 2: Convert to fraction form
    21,620.02/32,434.98 = 6,828.88/x
  3. Step 3: Cross multiply
    21,620.02x = 32,434.98 × 6,828.88
  4. Step 4: Simplify right side
    21,620.02x = 221,494,586.22
  5. Step 5: Solve for x
    x = 221,494,586.22/21,620.02
  6. Step 6: Final answer
    x = 10,244.88

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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.