Home / 18,430.80-27,595.08-15,182.88

Finding the Fourth Proportional to 18,430.80, 27,595.08 and 15,182.88

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Solution

The fourth proportional to 18,430.80, 27,595.08 and 15,182.88 is: 22,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.80 : 27,595.08 = 15,182.88 : x
  2. Step 2: Convert to fraction form
    18,430.80/27,595.08 = 15,182.88/x
  3. Step 3: Cross multiply
    18,430.80x = 27,595.08 × 15,182.88
  4. Step 4: Simplify right side
    18,430.80x = 418,972,788.23
  5. Step 5: Solve for x
    x = 418,972,788.23/18,430.80
  6. Step 6: Final answer
    x = 22,732.21

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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.