Home / 20,298.09-30,391.55-16,798.19

Finding the Fourth Proportional to 20,298.09, 30,391.55 and 16,798.19

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Solution

The fourth proportional to 20,298.09, 30,391.55 and 16,798.19 is: 25,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.09 : 30,391.55 = 16,798.19 : x
  2. Step 2: Convert to fraction form
    20,298.09/30,391.55 = 16,798.19/x
  3. Step 3: Cross multiply
    20,298.09x = 30,391.55 × 16,798.19
  4. Step 4: Simplify right side
    20,298.09x = 510,522,952.83
  5. Step 5: Solve for x
    x = 510,522,952.83/20,298.09
  6. Step 6: Final answer
    x = 25,151.28

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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.