Home / 28,831.43-39,780.59-17,500.65

Finding the Fourth Proportional to 28,831.43, 39,780.59 and 17,500.65

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Solution

The fourth proportional to 28,831.43, 39,780.59 and 17,500.65 is: 24,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.43 : 39,780.59 = 17,500.65 : x
  2. Step 2: Convert to fraction form
    28,831.43/39,780.59 = 17,500.65/x
  3. Step 3: Cross multiply
    28,831.43x = 39,780.59 × 17,500.65
  4. Step 4: Simplify right side
    28,831.43x = 696,186,226.14
  5. Step 5: Solve for x
    x = 696,186,226.14/28,831.43
  6. Step 6: Final answer
    x = 24,146.78

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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.