Home / 26,173.47-36,115.88-15,559.23

Finding the Fourth Proportional to 26,173.47, 36,115.88 and 15,559.23

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Solution

The fourth proportional to 26,173.47, 36,115.88 and 15,559.23 is: 21,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,173.47 : 36,115.88 = 15,559.23 : x
  2. Step 2: Convert to fraction form
    26,173.47/36,115.88 = 15,559.23/x
  3. Step 3: Cross multiply
    26,173.47x = 36,115.88 × 15,559.23
  4. Step 4: Simplify right side
    26,173.47x = 561,935,283.57
  5. Step 5: Solve for x
    x = 561,935,283.57/26,173.47
  6. Step 6: Final answer
    x = 21,469.65

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1.5x scale

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.