Home / 28,007.42-38,649.83-16,070.49

Finding the Fourth Proportional to 28,007.42, 38,649.83 and 16,070.49

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Solution

The fourth proportional to 28,007.42, 38,649.83 and 16,070.49 is: 22,177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.42 : 38,649.83 = 16,070.49 : x
  2. Step 2: Convert to fraction form
    28,007.42/38,649.83 = 16,070.49/x
  3. Step 3: Cross multiply
    28,007.42x = 38,649.83 × 16,070.49
  4. Step 4: Simplify right side
    28,007.42x = 621,121,626.16
  5. Step 5: Solve for x
    x = 621,121,626.16/28,007.42
  6. Step 6: Final answer
    x = 22,177.04

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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.