Home / 28,813.59-39,759.84-16,065.57

Finding the Fourth Proportional to 28,813.59, 39,759.84 and 16,065.57

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Solution

The fourth proportional to 28,813.59, 39,759.84 and 16,065.57 is: 22,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.59 : 39,759.84 = 16,065.57 : x
  2. Step 2: Convert to fraction form
    28,813.59/39,759.84 = 16,065.57/x
  3. Step 3: Cross multiply
    28,813.59x = 39,759.84 × 16,065.57
  4. Step 4: Simplify right side
    28,813.59x = 638,764,492.71
  5. Step 5: Solve for x
    x = 638,764,492.71/28,813.59
  6. Step 6: Final answer
    x = 22,168.86

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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.