Home / 21,377.80-32,064.24-8,899.74

Finding the Fourth Proportional to 21,377.80, 32,064.24 and 8,899.74

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Solution

The fourth proportional to 21,377.80, 32,064.24 and 8,899.74 is: 13,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.80 : 32,064.24 = 8,899.74 : x
  2. Step 2: Convert to fraction form
    21,377.80/32,064.24 = 8,899.74/x
  3. Step 3: Cross multiply
    21,377.80x = 32,064.24 × 8,899.74
  4. Step 4: Simplify right side
    21,377.80x = 285,363,399.30
  5. Step 5: Solve for x
    x = 285,363,399.30/21,377.80
  6. Step 6: Final answer
    x = 13,348.59

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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.