Home / 27,804.60-38,370.36-15,057.88

Finding the Fourth Proportional to 27,804.60, 38,370.36 and 15,057.88

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Solution

The fourth proportional to 27,804.60, 38,370.36 and 15,057.88 is: 20,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.60 : 38,370.36 = 15,057.88 : x
  2. Step 2: Convert to fraction form
    27,804.60/38,370.36 = 15,057.88/x
  3. Step 3: Cross multiply
    27,804.60x = 38,370.36 × 15,057.88
  4. Step 4: Simplify right side
    27,804.60x = 577,776,276.44
  5. Step 5: Solve for x
    x = 577,776,276.44/27,804.60
  6. Step 6: Final answer
    x = 20,779.88

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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.