Home / 28,292.22-39,062.79-17,686.62

Finding the Fourth Proportional to 28,292.22, 39,062.79 and 17,686.62

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Solution

The fourth proportional to 28,292.22, 39,062.79 and 17,686.62 is: 24,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.22 : 39,062.79 = 17,686.62 : x
  2. Step 2: Convert to fraction form
    28,292.22/39,062.79 = 17,686.62/x
  3. Step 3: Cross multiply
    28,292.22x = 39,062.79 × 17,686.62
  4. Step 4: Simplify right side
    28,292.22x = 690,888,722.87
  5. Step 5: Solve for x
    x = 690,888,722.87/28,292.22
  6. Step 6: Final answer
    x = 24,419.74

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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.