Home / 28,542.32-42,820.76-11,007.44

Finding the Fourth Proportional to 28,542.32, 42,820.76 and 11,007.44

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Solution

The fourth proportional to 28,542.32, 42,820.76 and 11,007.44 is: 16,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.32 : 42,820.76 = 11,007.44 : x
  2. Step 2: Convert to fraction form
    28,542.32/42,820.76 = 11,007.44/x
  3. Step 3: Cross multiply
    28,542.32x = 42,820.76 × 11,007.44
  4. Step 4: Simplify right side
    28,542.32x = 471,346,946.45
  5. Step 5: Solve for x
    x = 471,346,946.45/28,542.32
  6. Step 6: Final answer
    x = 16,513.97

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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.