Home / 28,902.03-43,347.57-9,180.77

Finding the Fourth Proportional to 28,902.03, 43,347.57 and 9,180.77

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Solution

The fourth proportional to 28,902.03, 43,347.57 and 9,180.77 is: 13,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.03 : 43,347.57 = 9,180.77 : x
  2. Step 2: Convert to fraction form
    28,902.03/43,347.57 = 9,180.77/x
  3. Step 3: Cross multiply
    28,902.03x = 43,347.57 × 9,180.77
  4. Step 4: Simplify right side
    28,902.03x = 397,963,853.49
  5. Step 5: Solve for x
    x = 397,963,853.49/28,902.03
  6. Step 6: Final answer
    x = 13,769.41

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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.