Home / 28,650.11-42,968.68-10,877.09

Finding the Fourth Proportional to 28,650.11, 42,968.68 and 10,877.09

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Solution

The fourth proportional to 28,650.11, 42,968.68 and 10,877.09 is: 16,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,650.11 : 42,968.68 = 10,877.09 : x
  2. Step 2: Convert to fraction form
    28,650.11/42,968.68 = 10,877.09/x
  3. Step 3: Cross multiply
    28,650.11x = 42,968.68 × 10,877.09
  4. Step 4: Simplify right side
    28,650.11x = 467,373,957.51
  5. Step 5: Solve for x
    x = 467,373,957.51/28,650.11
  6. Step 6: Final answer
    x = 16,313.17

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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.