Home / 26,658.75-36,788.58-14,721.78

Finding the Fourth Proportional to 26,658.75, 36,788.58 and 14,721.78

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Solution

The fourth proportional to 26,658.75, 36,788.58 and 14,721.78 is: 20,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.75 : 36,788.58 = 14,721.78 : x
  2. Step 2: Convert to fraction form
    26,658.75/36,788.58 = 14,721.78/x
  3. Step 3: Cross multiply
    26,658.75x = 36,788.58 × 14,721.78
  4. Step 4: Simplify right side
    26,658.75x = 541,593,381.27
  5. Step 5: Solve for x
    x = 541,593,381.27/26,658.75
  6. Step 6: Final answer
    x = 20,315.78

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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.