Home / 22,423.84-33,640.80-6,840.28

Finding the Fourth Proportional to 22,423.84, 33,640.80 and 6,840.28

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Solution

The fourth proportional to 22,423.84, 33,640.80 and 6,840.28 is: 10,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.84 : 33,640.80 = 6,840.28 : x
  2. Step 2: Convert to fraction form
    22,423.84/33,640.80 = 6,840.28/x
  3. Step 3: Cross multiply
    22,423.84x = 33,640.80 × 6,840.28
  4. Step 4: Simplify right side
    22,423.84x = 230,112,491.42
  5. Step 5: Solve for x
    x = 230,112,491.42/22,423.84
  6. Step 6: Final answer
    x = 10,261.96

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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.