Home / 27,714.28-38,244.27-15,777.58

Finding the Fourth Proportional to 27,714.28, 38,244.27 and 15,777.58

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Solution

The fourth proportional to 27,714.28, 38,244.27 and 15,777.58 is: 21,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,714.28 : 38,244.27 = 15,777.58 : x
  2. Step 2: Convert to fraction form
    27,714.28/38,244.27 = 15,777.58/x
  3. Step 3: Cross multiply
    27,714.28x = 38,244.27 × 15,777.58
  4. Step 4: Simplify right side
    27,714.28x = 603,402,029.47
  5. Step 5: Solve for x
    x = 603,402,029.47/27,714.28
  6. Step 6: Final answer
    x = 21,772.24

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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.