Home / 27,361.05-41,041.59-21,130.17

Finding the Fourth Proportional to 27,361.05, 41,041.59 and 21,130.17

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Solution

The fourth proportional to 27,361.05, 41,041.59 and 21,130.17 is: 31,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.05 : 41,041.59 = 21,130.17 : x
  2. Step 2: Convert to fraction form
    27,361.05/41,041.59 = 21,130.17/x
  3. Step 3: Cross multiply
    27,361.05x = 41,041.59 × 21,130.17
  4. Step 4: Simplify right side
    27,361.05x = 867,215,773.77
  5. Step 5: Solve for x
    x = 867,215,773.77/27,361.05
  6. Step 6: Final answer
    x = 31,695.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.