Home / 26,664.84-36,801-15,486.84

Finding the Fourth Proportional to 26,664.84, 36,801 and 15,486.84

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Solution

The fourth proportional to 26,664.84, 36,801 and 15,486.84 is: 21,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.84 : 36,801 = 15,486.84 : x
  2. Step 2: Convert to fraction form
    26,664.84/36,801 = 15,486.84/x
  3. Step 3: Cross multiply
    26,664.84x = 36,801 × 15,486.84
  4. Step 4: Simplify right side
    26,664.84x = 569,931,198.84
  5. Step 5: Solve for x
    x = 569,931,198.84/26,664.84
  6. Step 6: Final answer
    x = 21,373.88

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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.