Home / 28,913.14-39,900.63-16,338.16

Finding the Fourth Proportional to 28,913.14, 39,900.63 and 16,338.16

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Solution

The fourth proportional to 28,913.14, 39,900.63 and 16,338.16 is: 22,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.14 : 39,900.63 = 16,338.16 : x
  2. Step 2: Convert to fraction form
    28,913.14/39,900.63 = 16,338.16/x
  3. Step 3: Cross multiply
    28,913.14x = 39,900.63 × 16,338.16
  4. Step 4: Simplify right side
    28,913.14x = 651,902,877.04
  5. Step 5: Solve for x
    x = 651,902,877.04/28,913.14
  6. Step 6: Final answer
    x = 22,546.94

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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.