Home / 16,920.42-25,328.70-15,247.38

Finding the Fourth Proportional to 16,920.42, 25,328.70 and 15,247.38

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Solution

The fourth proportional to 16,920.42, 25,328.70 and 15,247.38 is: 22,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.42 : 25,328.70 = 15,247.38 : x
  2. Step 2: Convert to fraction form
    16,920.42/25,328.70 = 15,247.38/x
  3. Step 3: Cross multiply
    16,920.42x = 25,328.70 × 15,247.38
  4. Step 4: Simplify right side
    16,920.42x = 386,196,313.81
  5. Step 5: Solve for x
    x = 386,196,313.81/16,920.42
  6. Step 6: Final answer
    x = 22,824.27

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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.