Home / 26,159.88-36,103.76-15,549.56

Finding the Fourth Proportional to 26,159.88, 36,103.76 and 15,549.56

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Solution

The fourth proportional to 26,159.88, 36,103.76 and 15,549.56 is: 21,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,159.88 : 36,103.76 = 15,549.56 : x
  2. Step 2: Convert to fraction form
    26,159.88/36,103.76 = 15,549.56/x
  3. Step 3: Cross multiply
    26,159.88x = 36,103.76 × 15,549.56
  4. Step 4: Simplify right side
    26,159.88x = 561,397,582.35
  5. Step 5: Solve for x
    x = 561,397,582.35/26,159.88
  6. Step 6: Final answer
    x = 21,460.25

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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.