Home / 20,085.08-27,714.76-11,587.52

Finding the Fourth Proportional to 20,085.08, 27,714.76 and 11,587.52

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Solution

The fourth proportional to 20,085.08, 27,714.76 and 11,587.52 is: 15,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.08 : 27,714.76 = 11,587.52 : x
  2. Step 2: Convert to fraction form
    20,085.08/27,714.76 = 11,587.52/x
  3. Step 3: Cross multiply
    20,085.08x = 27,714.76 × 11,587.52
  4. Step 4: Simplify right side
    20,085.08x = 321,145,335.80
  5. Step 5: Solve for x
    x = 321,145,335.80/20,085.08
  6. Step 6: Final answer
    x = 15,989.25

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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.