Home / 52,640.92-72,642.78-28,767.52

Finding the Fourth Proportional to 52,640.92, 72,642.78 and 28,767.52

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Solution

The fourth proportional to 52,640.92, 72,642.78 and 28,767.52 is: 39,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.92 : 72,642.78 = 28,767.52 : x
  2. Step 2: Convert to fraction form
    52,640.92/72,642.78 = 28,767.52/x
  3. Step 3: Cross multiply
    52,640.92x = 72,642.78 × 28,767.52
  4. Step 4: Simplify right side
    52,640.92x = 2,089,752,626.51
  5. Step 5: Solve for x
    x = 2,089,752,626.51/52,640.92
  6. Step 6: Final answer
    x = 39,698.25

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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.