Home / 26,645.39-36,768.64-15,314.91

Finding the Fourth Proportional to 26,645.39, 36,768.64 and 15,314.91

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Solution

The fourth proportional to 26,645.39, 36,768.64 and 15,314.91 is: 21,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.39 : 36,768.64 = 15,314.91 : x
  2. Step 2: Convert to fraction form
    26,645.39/36,768.64 = 15,314.91/x
  3. Step 3: Cross multiply
    26,645.39x = 36,768.64 × 15,314.91
  4. Step 4: Simplify right side
    26,645.39x = 563,108,374.14
  5. Step 5: Solve for x
    x = 563,108,374.14/26,645.39
  6. Step 6: Final answer
    x = 21,133.43

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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.