Home / 28,504.02-42,755.49-7,727.70

Finding the Fourth Proportional to 28,504.02, 42,755.49 and 7,727.70

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Solution

The fourth proportional to 28,504.02, 42,755.49 and 7,727.70 is: 11,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.02 : 42,755.49 = 7,727.70 : x
  2. Step 2: Convert to fraction form
    28,504.02/42,755.49 = 7,727.70/x
  3. Step 3: Cross multiply
    28,504.02x = 42,755.49 × 7,727.70
  4. Step 4: Simplify right side
    28,504.02x = 330,401,600.07
  5. Step 5: Solve for x
    x = 330,401,600.07/28,504.02
  6. Step 6: Final answer
    x = 11,591.40

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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.