Home / 18,820.24-28,235.52-15,301.49

Finding the Fourth Proportional to 18,820.24, 28,235.52 and 15,301.49

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Solution

The fourth proportional to 18,820.24, 28,235.52 and 15,301.49 is: 22,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.24 : 28,235.52 = 15,301.49 : x
  2. Step 2: Convert to fraction form
    18,820.24/28,235.52 = 15,301.49/x
  3. Step 3: Cross multiply
    18,820.24x = 28,235.52 × 15,301.49
  4. Step 4: Simplify right side
    18,820.24x = 432,045,526.92
  5. Step 5: Solve for x
    x = 432,045,526.92/18,820.24
  6. Step 6: Final answer
    x = 22,956.43

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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.