Home / 26,215.84-36,146.41-21,418.01

Finding the Fourth Proportional to 26,215.84, 36,146.41 and 21,418.01

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Solution

The fourth proportional to 26,215.84, 36,146.41 and 21,418.01 is: 29,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215.84 : 36,146.41 = 21,418.01 : x
  2. Step 2: Convert to fraction form
    26,215.84/36,146.41 = 21,418.01/x
  3. Step 3: Cross multiply
    26,215.84x = 36,146.41 × 21,418.01
  4. Step 4: Simplify right side
    26,215.84x = 774,184,170.84
  5. Step 5: Solve for x
    x = 774,184,170.84/26,215.84
  6. Step 6: Final answer
    x = 29,531.16

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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.