Home / 28,294.00-39,048.05-18,243.37

Finding the Fourth Proportional to 28,294.00, 39,048.05 and 18,243.37

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Solution

The fourth proportional to 28,294.00, 39,048.05 and 18,243.37 is: 25,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.00 : 39,048.05 = 18,243.37 : x
  2. Step 2: Convert to fraction form
    28,294.00/39,048.05 = 18,243.37/x
  3. Step 3: Cross multiply
    28,294.00x = 39,048.05 × 18,243.37
  4. Step 4: Simplify right side
    28,294.00x = 712,367,835.09
  5. Step 5: Solve for x
    x = 712,367,835.09/28,294.00
  6. Step 6: Final answer
    x = 25,177.35

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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.