Home / 26,639.15-36,760.55-15,306.84

Finding the Fourth Proportional to 26,639.15, 36,760.55 and 15,306.84

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Solution

The fourth proportional to 26,639.15, 36,760.55 and 15,306.84 is: 21,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.15 : 36,760.55 = 15,306.84 : x
  2. Step 2: Convert to fraction form
    26,639.15/36,760.55 = 15,306.84/x
  3. Step 3: Cross multiply
    26,639.15x = 36,760.55 × 15,306.84
  4. Step 4: Simplify right side
    26,639.15x = 562,687,780.63
  5. Step 5: Solve for x
    x = 562,687,780.63/26,639.15
  6. Step 6: Final answer
    x = 21,122.59

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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.