Home / 21,769.54-32,625.51-7,905.22

Finding the Fourth Proportional to 21,769.54, 32,625.51 and 7,905.22

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Solution

The fourth proportional to 21,769.54, 32,625.51 and 7,905.22 is: 11,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.54 : 32,625.51 = 7,905.22 : x
  2. Step 2: Convert to fraction form
    21,769.54/32,625.51 = 7,905.22/x
  3. Step 3: Cross multiply
    21,769.54x = 32,625.51 × 7,905.22
  4. Step 4: Simplify right side
    21,769.54x = 257,911,834.16
  5. Step 5: Solve for x
    x = 257,911,834.16/21,769.54
  6. Step 6: Final answer
    x = 11,847.37

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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.