Home / 48,428.11-66,827.73-28,290.70

Finding the Fourth Proportional to 48,428.11, 66,827.73 and 28,290.70

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Solution

The fourth proportional to 48,428.11, 66,827.73 and 28,290.70 is: 39,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,428.11 : 66,827.73 = 28,290.70 : x
  2. Step 2: Convert to fraction form
    48,428.11/66,827.73 = 28,290.70/x
  3. Step 3: Cross multiply
    48,428.11x = 66,827.73 × 28,290.70
  4. Step 4: Simplify right side
    48,428.11x = 1,890,603,261.11
  5. Step 5: Solve for x
    x = 1,890,603,261.11/48,428.11
  6. Step 6: Final answer
    x = 39,039.38

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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.