Home / 28,732.32-39,649.68-16,158.24

Finding the Fourth Proportional to 28,732.32, 39,649.68 and 16,158.24

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Solution

The fourth proportional to 28,732.32, 39,649.68 and 16,158.24 is: 22,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.32 : 39,649.68 = 16,158.24 : x
  2. Step 2: Convert to fraction form
    28,732.32/39,649.68 = 16,158.24/x
  3. Step 3: Cross multiply
    28,732.32x = 39,649.68 × 16,158.24
  4. Step 4: Simplify right side
    28,732.32x = 640,669,045.36
  5. Step 5: Solve for x
    x = 640,669,045.36/28,732.32
  6. Step 6: Final answer
    x = 22,297.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.