Home / 28,182.64-38,883.21-16,244.38

Finding the Fourth Proportional to 28,182.64, 38,883.21 and 16,244.38

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Solution

The fourth proportional to 28,182.64, 38,883.21 and 16,244.38 is: 22,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.64 : 38,883.21 = 16,244.38 : x
  2. Step 2: Convert to fraction form
    28,182.64/38,883.21 = 16,244.38/x
  3. Step 3: Cross multiply
    28,182.64x = 38,883.21 × 16,244.38
  4. Step 4: Simplify right side
    28,182.64x = 631,633,638.86
  5. Step 5: Solve for x
    x = 631,633,638.86/28,182.64
  6. Step 6: Final answer
    x = 22,412.15

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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.