Home / 26,806.25-36,992.66-15,630.41

Finding the Fourth Proportional to 26,806.25, 36,992.66 and 15,630.41

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Solution

The fourth proportional to 26,806.25, 36,992.66 and 15,630.41 is: 21,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.25 : 36,992.66 = 15,630.41 : x
  2. Step 2: Convert to fraction form
    26,806.25/36,992.66 = 15,630.41/x
  3. Step 3: Cross multiply
    26,806.25x = 36,992.66 × 15,630.41
  4. Step 4: Simplify right side
    26,806.25x = 578,210,364.64
  5. Step 5: Solve for x
    x = 578,210,364.64/26,806.25
  6. Step 6: Final answer
    x = 21,569.98

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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.