Home / 28,514.40-42,829.20-27,535.20

Finding the Fourth Proportional to 28,514.40, 42,829.20 and 27,535.20

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Solution

The fourth proportional to 28,514.40, 42,829.20 and 27,535.20 is: 41,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.40 : 42,829.20 = 27,535.20 : x
  2. Step 2: Convert to fraction form
    28,514.40/42,829.20 = 27,535.20/x
  3. Step 3: Cross multiply
    28,514.40x = 42,829.20 × 27,535.20
  4. Step 4: Simplify right side
    28,514.40x = 1,179,310,587.84
  5. Step 5: Solve for x
    x = 1,179,310,587.84/28,514.40
  6. Step 6: Final answer
    x = 41,358.42

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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.