Home / 28,204.39-42,292.70-11,559.89

Finding the Fourth Proportional to 28,204.39, 42,292.70 and 11,559.89

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Solution

The fourth proportional to 28,204.39, 42,292.70 and 11,559.89 is: 17,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.39 : 42,292.70 = 11,559.89 : x
  2. Step 2: Convert to fraction form
    28,204.39/42,292.70 = 11,559.89/x
  3. Step 3: Cross multiply
    28,204.39x = 42,292.70 × 11,559.89
  4. Step 4: Simplify right side
    28,204.39x = 488,898,902.00
  5. Step 5: Solve for x
    x = 488,898,902.00/28,204.39
  6. Step 6: Final answer
    x = 17,334.15

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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.