Home / 28,935.68-39,938.40-16,367.84

Finding the Fourth Proportional to 28,935.68, 39,938.40 and 16,367.84

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Solution

The fourth proportional to 28,935.68, 39,938.40 and 16,367.84 is: 22,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.68 : 39,938.40 = 16,367.84 : x
  2. Step 2: Convert to fraction form
    28,935.68/39,938.40 = 16,367.84/x
  3. Step 3: Cross multiply
    28,935.68x = 39,938.40 × 16,367.84
  4. Step 4: Simplify right side
    28,935.68x = 653,705,341.06
  5. Step 5: Solve for x
    x = 653,705,341.06/28,935.68
  6. Step 6: Final answer
    x = 22,591.67

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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.