Home / 28,604.68-39,446.02-17,419.72

Finding the Fourth Proportional to 28,604.68, 39,446.02 and 17,419.72

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Solution

The fourth proportional to 28,604.68, 39,446.02 and 17,419.72 is: 24,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.68 : 39,446.02 = 17,419.72 : x
  2. Step 2: Convert to fraction form
    28,604.68/39,446.02 = 17,419.72/x
  3. Step 3: Cross multiply
    28,604.68x = 39,446.02 × 17,419.72
  4. Step 4: Simplify right side
    28,604.68x = 687,138,623.51
  5. Step 5: Solve for x
    x = 687,138,623.51/28,604.68
  6. Step 6: Final answer
    x = 24,021.90

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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.