Home / 21,555-32,334.38-5,972.76

Finding the Fourth Proportional to 21,555, 32,334.38 and 5,972.76

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Solution

The fourth proportional to 21,555, 32,334.38 and 5,972.76 is: 8,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555 : 32,334.38 = 5,972.76 : x
  2. Step 2: Convert to fraction form
    21,555/32,334.38 = 5,972.76/x
  3. Step 3: Cross multiply
    21,555x = 32,334.38 × 5,972.76
  4. Step 4: Simplify right side
    21,555x = 193,125,491.49
  5. Step 5: Solve for x
    x = 193,125,491.49/21,555
  6. Step 6: Final answer
    x = 8,959.66

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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.