Home / 28,503.39-42,755.96-9,783.16

Finding the Fourth Proportional to 28,503.39, 42,755.96 and 9,783.16

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Solution

The fourth proportional to 28,503.39, 42,755.96 and 9,783.16 is: 14,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.39 : 42,755.96 = 9,783.16 : x
  2. Step 2: Convert to fraction form
    28,503.39/42,755.96 = 9,783.16/x
  3. Step 3: Cross multiply
    28,503.39x = 42,755.96 × 9,783.16
  4. Step 4: Simplify right side
    28,503.39x = 418,288,348.72
  5. Step 5: Solve for x
    x = 418,288,348.72/28,503.39
  6. Step 6: Final answer
    x = 14,675.04

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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.