Home / 26,344.84-36,391.38-21,077.32

Finding the Fourth Proportional to 26,344.84, 36,391.38 and 21,077.32

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Solution

The fourth proportional to 26,344.84, 36,391.38 and 21,077.32 is: 29,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,344.84 : 36,391.38 = 21,077.32 : x
  2. Step 2: Convert to fraction form
    26,344.84/36,391.38 = 21,077.32/x
  3. Step 3: Cross multiply
    26,344.84x = 36,391.38 × 21,077.32
  4. Step 4: Simplify right side
    26,344.84x = 767,032,761.50
  5. Step 5: Solve for x
    x = 767,032,761.50/26,344.84
  6. Step 6: Final answer
    x = 29,115.10

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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.