Home / 28,682.20-39,576.80-17,925.81

Finding the Fourth Proportional to 28,682.20, 39,576.80 and 17,925.81

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Solution

The fourth proportional to 28,682.20, 39,576.80 and 17,925.81 is: 24,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.20 : 39,576.80 = 17,925.81 : x
  2. Step 2: Convert to fraction form
    28,682.20/39,576.80 = 17,925.81/x
  3. Step 3: Cross multiply
    28,682.20x = 39,576.80 × 17,925.81
  4. Step 4: Simplify right side
    28,682.20x = 709,446,093.61
  5. Step 5: Solve for x
    x = 709,446,093.61/28,682.20
  6. Step 6: Final answer
    x = 24,734.72

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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.