Home / 27,784.41-38,342.17-15,037.30

Finding the Fourth Proportional to 27,784.41, 38,342.17 and 15,037.30

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Solution

The fourth proportional to 27,784.41, 38,342.17 and 15,037.30 is: 20,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.41 : 38,342.17 = 15,037.30 : x
  2. Step 2: Convert to fraction form
    27,784.41/38,342.17 = 15,037.30/x
  3. Step 3: Cross multiply
    27,784.41x = 38,342.17 × 15,037.30
  4. Step 4: Simplify right side
    27,784.41x = 576,562,779.67
  5. Step 5: Solve for x
    x = 576,562,779.67/27,784.41
  6. Step 6: Final answer
    x = 20,751.31

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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.