Home / 21,750.56-32,623.92-7,899.68

Finding the Fourth Proportional to 21,750.56, 32,623.92 and 7,899.68

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Solution

The fourth proportional to 21,750.56, 32,623.92 and 7,899.68 is: 11,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.56 : 32,623.92 = 7,899.68 : x
  2. Step 2: Convert to fraction form
    21,750.56/32,623.92 = 7,899.68/x
  3. Step 3: Cross multiply
    21,750.56x = 32,623.92 × 7,899.68
  4. Step 4: Simplify right side
    21,750.56x = 257,718,528.35
  5. Step 5: Solve for x
    x = 257,718,528.35/21,750.56
  6. Step 6: Final answer
    x = 11,848.82

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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.