Home / 28,301.20-39,056.69-16,972.54

Finding the Fourth Proportional to 28,301.20, 39,056.69 and 16,972.54

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Solution

The fourth proportional to 28,301.20, 39,056.69 and 16,972.54 is: 23,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.20 : 39,056.69 = 16,972.54 : x
  2. Step 2: Convert to fraction form
    28,301.20/39,056.69 = 16,972.54/x
  3. Step 3: Cross multiply
    28,301.20x = 39,056.69 × 16,972.54
  4. Step 4: Simplify right side
    28,301.20x = 662,891,233.29
  5. Step 5: Solve for x
    x = 662,891,233.29/28,301.20
  6. Step 6: Final answer
    x = 23,422.73

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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.