Home / 20,650.84-28,482.30-13,925.82

Finding the Fourth Proportional to 20,650.84, 28,482.30 and 13,925.82

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Solution

The fourth proportional to 20,650.84, 28,482.30 and 13,925.82 is: 19,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650.84 : 28,482.30 = 13,925.82 : x
  2. Step 2: Convert to fraction form
    20,650.84/28,482.30 = 13,925.82/x
  3. Step 3: Cross multiply
    20,650.84x = 28,482.30 × 13,925.82
  4. Step 4: Simplify right side
    20,650.84x = 396,639,382.99
  5. Step 5: Solve for x
    x = 396,639,382.99/20,650.84
  6. Step 6: Final answer
    x = 19,206.94

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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.