Home / 28,625.13-39,508.35-16,690.38

Finding the Fourth Proportional to 28,625.13, 39,508.35 and 16,690.38

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Solution

The fourth proportional to 28,625.13, 39,508.35 and 16,690.38 is: 23,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.13 : 39,508.35 = 16,690.38 : x
  2. Step 2: Convert to fraction form
    28,625.13/39,508.35 = 16,690.38/x
  3. Step 3: Cross multiply
    28,625.13x = 39,508.35 × 16,690.38
  4. Step 4: Simplify right side
    28,625.13x = 659,409,374.67
  5. Step 5: Solve for x
    x = 659,409,374.67/28,625.13
  6. Step 6: Final answer
    x = 23,036.03

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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.