Home / 28,887.49-43,331.13-9,167.59

Finding the Fourth Proportional to 28,887.49, 43,331.13 and 9,167.59

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Solution

The fourth proportional to 28,887.49, 43,331.13 and 9,167.59 is: 13,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.49 : 43,331.13 = 9,167.59 : x
  2. Step 2: Convert to fraction form
    28,887.49/43,331.13 = 9,167.59/x
  3. Step 3: Cross multiply
    28,887.49x = 43,331.13 × 9,167.59
  4. Step 4: Simplify right side
    28,887.49x = 397,241,940.59
  5. Step 5: Solve for x
    x = 397,241,940.59/28,887.49
  6. Step 6: Final answer
    x = 13,751.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.