Home / 26,154.21-36,098.05-15,541.79

Finding the Fourth Proportional to 26,154.21, 36,098.05 and 15,541.79

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Solution

The fourth proportional to 26,154.21, 36,098.05 and 15,541.79 is: 21,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,154.21 : 36,098.05 = 15,541.79 : x
  2. Step 2: Convert to fraction form
    26,154.21/36,098.05 = 15,541.79/x
  3. Step 3: Cross multiply
    26,154.21x = 36,098.05 × 15,541.79
  4. Step 4: Simplify right side
    26,154.21x = 561,028,312.51
  5. Step 5: Solve for x
    x = 561,028,312.51/26,154.21
  6. Step 6: Final answer
    x = 21,450.78

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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.