Home / 26,403.71-36,436.65-15,655.82

Finding the Fourth Proportional to 26,403.71, 36,436.65 and 15,655.82

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Solution

The fourth proportional to 26,403.71, 36,436.65 and 15,655.82 is: 21,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.71 : 36,436.65 = 15,655.82 : x
  2. Step 2: Convert to fraction form
    26,403.71/36,436.65 = 15,655.82/x
  3. Step 3: Cross multiply
    26,403.71x = 36,436.65 × 15,655.82
  4. Step 4: Simplify right side
    26,403.71x = 570,445,633.80
  5. Step 5: Solve for x
    x = 570,445,633.80/26,403.71
  6. Step 6: Final answer
    x = 21,604.75

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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.