Home / 26,403.16-36,435.28-15,786.52

Finding the Fourth Proportional to 26,403.16, 36,435.28 and 15,786.52

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Solution

The fourth proportional to 26,403.16, 36,435.28 and 15,786.52 is: 21,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.16 : 36,435.28 = 15,786.52 : x
  2. Step 2: Convert to fraction form
    26,403.16/36,435.28 = 15,786.52/x
  3. Step 3: Cross multiply
    26,403.16x = 36,435.28 × 15,786.52
  4. Step 4: Simplify right side
    26,403.16x = 575,186,276.43
  5. Step 5: Solve for x
    x = 575,186,276.43/26,403.16
  6. Step 6: Final answer
    x = 21,784.75

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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.