Home / 26,757.54-36,956.86-21,398.58

Finding the Fourth Proportional to 26,757.54, 36,956.86 and 21,398.58

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Solution

The fourth proportional to 26,757.54, 36,956.86 and 21,398.58 is: 29,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,757.54 : 36,956.86 = 21,398.58 : x
  2. Step 2: Convert to fraction form
    26,757.54/36,956.86 = 21,398.58/x
  3. Step 3: Cross multiply
    26,757.54x = 36,956.86 × 21,398.58
  4. Step 4: Simplify right side
    26,757.54x = 790,824,271.76
  5. Step 5: Solve for x
    x = 790,824,271.76/26,757.54
  6. Step 6: Final answer
    x = 29,555.19

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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.