Home / 38,156.80-57,215.36-14,790.08

Finding the Fourth Proportional to 38,156.80, 57,215.36 and 14,790.08

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Solution

The fourth proportional to 38,156.80, 57,215.36 and 14,790.08 is: 22,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.80 : 57,215.36 = 14,790.08 : x
  2. Step 2: Convert to fraction form
    38,156.80/57,215.36 = 14,790.08/x
  3. Step 3: Cross multiply
    38,156.80x = 57,215.36 × 14,790.08
  4. Step 4: Simplify right side
    38,156.80x = 846,219,751.63
  5. Step 5: Solve for x
    x = 846,219,751.63/38,156.80
  6. Step 6: Final answer
    x = 22,177.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.