Home / 39,514.08-59,310.72-28,433.28

Finding the Fourth Proportional to 39,514.08, 59,310.72 and 28,433.28

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Solution

The fourth proportional to 39,514.08, 59,310.72 and 28,433.28 is: 42,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,514.08 : 59,310.72 = 28,433.28 : x
  2. Step 2: Convert to fraction form
    39,514.08/59,310.72 = 28,433.28/x
  3. Step 3: Cross multiply
    39,514.08x = 59,310.72 × 28,433.28
  4. Step 4: Simplify right side
    39,514.08x = 1,686,398,308.76
  5. Step 5: Solve for x
    x = 1,686,398,308.76/39,514.08
  6. Step 6: Final answer
    x = 42,678.42

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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.