Home / 28,247.85-42,371.74-10,717.65

Finding the Fourth Proportional to 28,247.85, 42,371.74 and 10,717.65

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Solution

The fourth proportional to 28,247.85, 42,371.74 and 10,717.65 is: 16,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.85 : 42,371.74 = 10,717.65 : x
  2. Step 2: Convert to fraction form
    28,247.85/42,371.74 = 10,717.65/x
  3. Step 3: Cross multiply
    28,247.85x = 42,371.74 × 10,717.65
  4. Step 4: Simplify right side
    28,247.85x = 454,125,479.21
  5. Step 5: Solve for x
    x = 454,125,479.21/28,247.85
  6. Step 6: Final answer
    x = 16,076.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.