Home / 28,633.70-42,718.05-27,083.66

Finding the Fourth Proportional to 28,633.70, 42,718.05 and 27,083.66

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Solution

The fourth proportional to 28,633.70, 42,718.05 and 27,083.66 is: 40,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.70 : 42,718.05 = 27,083.66 : x
  2. Step 2: Convert to fraction form
    28,633.70/42,718.05 = 27,083.66/x
  3. Step 3: Cross multiply
    28,633.70x = 42,718.05 × 27,083.66
  4. Step 4: Simplify right side
    28,633.70x = 1,156,961,168.76
  5. Step 5: Solve for x
    x = 1,156,961,168.76/28,633.70
  6. Step 6: Final answer
    x = 40,405.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.