Home / 20,284.09-30,376.45-16,752.49

Finding the Fourth Proportional to 20,284.09, 30,376.45 and 16,752.49

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Solution

The fourth proportional to 20,284.09, 30,376.45 and 16,752.49 is: 25,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.09 : 30,376.45 = 16,752.49 : x
  2. Step 2: Convert to fraction form
    20,284.09/30,376.45 = 16,752.49/x
  3. Step 3: Cross multiply
    20,284.09x = 30,376.45 × 16,752.49
  4. Step 4: Simplify right side
    20,284.09x = 508,881,174.86
  5. Step 5: Solve for x
    x = 508,881,174.86/20,284.09
  6. Step 6: Final answer
    x = 25,087.70

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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.