Home / 28,112.32-38,799.12-16,934.08

Finding the Fourth Proportional to 28,112.32, 38,799.12 and 16,934.08

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Solution

The fourth proportional to 28,112.32, 38,799.12 and 16,934.08 is: 23,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,112.32 : 38,799.12 = 16,934.08 : x
  2. Step 2: Convert to fraction form
    28,112.32/38,799.12 = 16,934.08/x
  3. Step 3: Cross multiply
    28,112.32x = 38,799.12 × 16,934.08
  4. Step 4: Simplify right side
    28,112.32x = 657,027,402.01
  5. Step 5: Solve for x
    x = 657,027,402.01/28,112.32
  6. Step 6: Final answer
    x = 23,371.51

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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.