Home / 84,684.05-127,026.13-21,508.91

Finding the Fourth Proportional to 84,684.05, 127,026.13 and 21,508.91

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Solution

The fourth proportional to 84,684.05, 127,026.13 and 21,508.91 is: 32,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,684.05 : 127,026.13 = 21,508.91 : x
  2. Step 2: Convert to fraction form
    84,684.05/127,026.13 = 21,508.91/x
  3. Step 3: Cross multiply
    84,684.05x = 127,026.13 × 21,508.91
  4. Step 4: Simplify right side
    84,684.05x = 2,732,193,942.27
  5. Step 5: Solve for x
    x = 2,732,193,942.27/84,684.05
  6. Step 6: Final answer
    x = 32,263.38

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1.5x scale

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.