Home / 25,733.10-38,541.33-20,151.66

Finding the Fourth Proportional to 25,733.10, 38,541.33 and 20,151.66

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Solution

The fourth proportional to 25,733.10, 38,541.33 and 20,151.66 is: 30,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,733.10 : 38,541.33 = 20,151.66 : x
  2. Step 2: Convert to fraction form
    25,733.10/38,541.33 = 20,151.66/x
  3. Step 3: Cross multiply
    25,733.10x = 38,541.33 × 20,151.66
  4. Step 4: Simplify right side
    25,733.10x = 776,671,778.11
  5. Step 5: Solve for x
    x = 776,671,778.11/25,733.10
  6. Step 6: Final answer
    x = 30,181.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.