Home / 28,499.04-39,329.15-16,558.02

Finding the Fourth Proportional to 28,499.04, 39,329.15 and 16,558.02

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Solution

The fourth proportional to 28,499.04, 39,329.15 and 16,558.02 is: 22,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499.04 : 39,329.15 = 16,558.02 : x
  2. Step 2: Convert to fraction form
    28,499.04/39,329.15 = 16,558.02/x
  3. Step 3: Cross multiply
    28,499.04x = 39,329.15 × 16,558.02
  4. Step 4: Simplify right side
    28,499.04x = 651,212,769.49
  5. Step 5: Solve for x
    x = 651,212,769.49/28,499.04
  6. Step 6: Final answer
    x = 22,850.34

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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.