Home / 26,429.09-36,471.06-15,812.42

Finding the Fourth Proportional to 26,429.09, 36,471.06 and 15,812.42

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Solution

The fourth proportional to 26,429.09, 36,471.06 and 15,812.42 is: 21,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.09 : 36,471.06 = 15,812.42 : x
  2. Step 2: Convert to fraction form
    26,429.09/36,471.06 = 15,812.42/x
  3. Step 3: Cross multiply
    26,429.09x = 36,471.06 × 15,812.42
  4. Step 4: Simplify right side
    26,429.09x = 576,695,536.21
  5. Step 5: Solve for x
    x = 576,695,536.21/26,429.09
  6. Step 6: Final answer
    x = 21,820.49

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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.