Home / 26,131.83-36,065.04-15,521.48

Finding the Fourth Proportional to 26,131.83, 36,065.04 and 15,521.48

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Solution

The fourth proportional to 26,131.83, 36,065.04 and 15,521.48 is: 21,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.83 : 36,065.04 = 15,521.48 : x
  2. Step 2: Convert to fraction form
    26,131.83/36,065.04 = 15,521.48/x
  3. Step 3: Cross multiply
    26,131.83x = 36,065.04 × 15,521.48
  4. Step 4: Simplify right side
    26,131.83x = 559,782,719.45
  5. Step 5: Solve for x
    x = 559,782,719.45/26,131.83
  6. Step 6: Final answer
    x = 21,421.49

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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.