Home / 28,800.03-39,728.34-18,042.59

Finding the Fourth Proportional to 28,800.03, 39,728.34 and 18,042.59

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Solution

The fourth proportional to 28,800.03, 39,728.34 and 18,042.59 is: 24,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.03 : 39,728.34 = 18,042.59 : x
  2. Step 2: Convert to fraction form
    28,800.03/39,728.34 = 18,042.59/x
  3. Step 3: Cross multiply
    28,800.03x = 39,728.34 × 18,042.59
  4. Step 4: Simplify right side
    28,800.03x = 716,801,951.36
  5. Step 5: Solve for x
    x = 716,801,951.36/28,800.03
  6. Step 6: Final answer
    x = 24,888.93

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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.