Home / 26,806.60-36,987.57-15,475.90

Finding the Fourth Proportional to 26,806.60, 36,987.57 and 15,475.90

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Solution

The fourth proportional to 26,806.60, 36,987.57 and 15,475.90 is: 21,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.60 : 36,987.57 = 15,475.90 : x
  2. Step 2: Convert to fraction form
    26,806.60/36,987.57 = 15,475.90/x
  3. Step 3: Cross multiply
    26,806.60x = 36,987.57 × 15,475.90
  4. Step 4: Simplify right side
    26,806.60x = 572,415,934.56
  5. Step 5: Solve for x
    x = 572,415,934.56/26,806.60
  6. Step 6: Final answer
    x = 21,353.54

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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.