Home / 28,671.66-39,570.39-18,061.11

Finding the Fourth Proportional to 28,671.66, 39,570.39 and 18,061.11

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Solution

The fourth proportional to 28,671.66, 39,570.39 and 18,061.11 is: 24,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671.66 : 39,570.39 = 18,061.11 : x
  2. Step 2: Convert to fraction form
    28,671.66/39,570.39 = 18,061.11/x
  3. Step 3: Cross multiply
    28,671.66x = 39,570.39 × 18,061.11
  4. Step 4: Simplify right side
    28,671.66x = 714,685,166.53
  5. Step 5: Solve for x
    x = 714,685,166.53/28,671.66
  6. Step 6: Final answer
    x = 24,926.54

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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.