Home / 28,878.39-43,309.08-10,154.97

Finding the Fourth Proportional to 28,878.39, 43,309.08 and 10,154.97

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Solution

The fourth proportional to 28,878.39, 43,309.08 and 10,154.97 is: 15,229.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.39 : 43,309.08 = 10,154.97 : x
  2. Step 2: Convert to fraction form
    28,878.39/43,309.08 = 10,154.97/x
  3. Step 3: Cross multiply
    28,878.39x = 43,309.08 × 10,154.97
  4. Step 4: Simplify right side
    28,878.39x = 439,802,408.13
  5. Step 5: Solve for x
    x = 439,802,408.13/28,878.39
  6. Step 6: Final answer
    x = 15,229.46

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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.