Home / 28,503.52-42,744.48-13,708.96

Finding the Fourth Proportional to 28,503.52, 42,744.48 and 13,708.96

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Solution

The fourth proportional to 28,503.52, 42,744.48 and 13,708.96 is: 20,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.52 : 42,744.48 = 13,708.96 : x
  2. Step 2: Convert to fraction form
    28,503.52/42,744.48 = 13,708.96/x
  3. Step 3: Cross multiply
    28,503.52x = 42,744.48 × 13,708.96
  4. Step 4: Simplify right side
    28,503.52x = 585,982,366.54
  5. Step 5: Solve for x
    x = 585,982,366.54/28,503.52
  6. Step 6: Final answer
    x = 20,558.25

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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.