Home / 52,638.36-72,640.94-28,439.32

Finding the Fourth Proportional to 52,638.36, 72,640.94 and 28,439.32

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Solution

The fourth proportional to 52,638.36, 72,640.94 and 28,439.32 is: 39,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,638.36 : 72,640.94 = 28,439.32 : x
  2. Step 2: Convert to fraction form
    52,638.36/72,640.94 = 28,439.32/x
  3. Step 3: Cross multiply
    52,638.36x = 72,640.94 × 28,439.32
  4. Step 4: Simplify right side
    52,638.36x = 2,065,858,937.76
  5. Step 5: Solve for x
    x = 2,065,858,937.76/52,638.36
  6. Step 6: Final answer
    x = 39,246.26

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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.