Home / 27,228.60-37,575.02-15,128.82

Finding the Fourth Proportional to 27,228.60, 37,575.02 and 15,128.82

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Solution

The fourth proportional to 27,228.60, 37,575.02 and 15,128.82 is: 20,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.60 : 37,575.02 = 15,128.82 : x
  2. Step 2: Convert to fraction form
    27,228.60/37,575.02 = 15,128.82/x
  3. Step 3: Cross multiply
    27,228.60x = 37,575.02 × 15,128.82
  4. Step 4: Simplify right side
    27,228.60x = 568,465,714.08
  5. Step 5: Solve for x
    x = 568,465,714.08/27,228.60
  6. Step 6: Final answer
    x = 20,877.52

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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.