Home / 22,827.14-31,500.85-12,755.64

Finding the Fourth Proportional to 22,827.14, 31,500.85 and 12,755.64

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Solution

The fourth proportional to 22,827.14, 31,500.85 and 12,755.64 is: 17,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,827.14 : 31,500.85 = 12,755.64 : x
  2. Step 2: Convert to fraction form
    22,827.14/31,500.85 = 12,755.64/x
  3. Step 3: Cross multiply
    22,827.14x = 31,500.85 × 12,755.64
  4. Step 4: Simplify right side
    22,827.14x = 401,813,470.40
  5. Step 5: Solve for x
    x = 401,813,470.40/22,827.14
  6. Step 6: Final answer
    x = 17,602.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.