Home / 28,511.06-42,767.34-13,514.66

Finding the Fourth Proportional to 28,511.06, 42,767.34 and 13,514.66

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Solution

The fourth proportional to 28,511.06, 42,767.34 and 13,514.66 is: 20,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511.06 : 42,767.34 = 13,514.66 : x
  2. Step 2: Convert to fraction form
    28,511.06/42,767.34 = 13,514.66/x
  3. Step 3: Cross multiply
    28,511.06x = 42,767.34 × 13,514.66
  4. Step 4: Simplify right side
    28,511.06x = 577,986,059.20
  5. Step 5: Solve for x
    x = 577,986,059.20/28,511.06
  6. Step 6: Final answer
    x = 20,272.35

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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.