Home / 28,410.11-39,230.74-17,818.01

Finding the Fourth Proportional to 28,410.11, 39,230.74 and 17,818.01

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Solution

The fourth proportional to 28,410.11, 39,230.74 and 17,818.01 is: 24,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.11 : 39,230.74 = 17,818.01 : x
  2. Step 2: Convert to fraction form
    28,410.11/39,230.74 = 17,818.01/x
  3. Step 3: Cross multiply
    28,410.11x = 39,230.74 × 17,818.01
  4. Step 4: Simplify right side
    28,410.11x = 699,013,837.98
  5. Step 5: Solve for x
    x = 699,013,837.98/28,410.11
  6. Step 6: Final answer
    x = 24,604.40

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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.