Home / 21,349.49-32,028.35-6,555.78

Finding the Fourth Proportional to 21,349.49, 32,028.35 and 6,555.78

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Solution

The fourth proportional to 21,349.49, 32,028.35 and 6,555.78 is: 9,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.49 : 32,028.35 = 6,555.78 : x
  2. Step 2: Convert to fraction form
    21,349.49/32,028.35 = 6,555.78/x
  3. Step 3: Cross multiply
    21,349.49x = 32,028.35 × 6,555.78
  4. Step 4: Simplify right side
    21,349.49x = 209,970,783.58
  5. Step 5: Solve for x
    x = 209,970,783.58/21,349.49
  6. Step 6: Final answer
    x = 9,834.93

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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.