Home / 33,437.92-46,128-28,130.80

Finding the Fourth Proportional to 33,437.92, 46,128 and 28,130.80

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Solution

The fourth proportional to 33,437.92, 46,128 and 28,130.80 is: 38,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,437.92 : 46,128 = 28,130.80 : x
  2. Step 2: Convert to fraction form
    33,437.92/46,128 = 28,130.80/x
  3. Step 3: Cross multiply
    33,437.92x = 46,128 × 28,130.80
  4. Step 4: Simplify right side
    33,437.92x = 1,297,617,542.40
  5. Step 5: Solve for x
    x = 1,297,617,542.40/33,437.92
  6. Step 6: Final answer
    x = 38,806.77

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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.