Home / 28,880.25-43,320.38-10,412.25

Finding the Fourth Proportional to 28,880.25, 43,320.38 and 10,412.25

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Solution

The fourth proportional to 28,880.25, 43,320.38 and 10,412.25 is: 15,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.25 : 43,320.38 = 10,412.25 : x
  2. Step 2: Convert to fraction form
    28,880.25/43,320.38 = 10,412.25/x
  3. Step 3: Cross multiply
    28,880.25x = 43,320.38 × 10,412.25
  4. Step 4: Simplify right side
    28,880.25x = 451,062,574.59
  5. Step 5: Solve for x
    x = 451,062,574.59/28,880.25
  6. Step 6: Final answer
    x = 15,618.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.