Home / 28,233.43-42,352.47-14,186.21

Finding the Fourth Proportional to 28,233.43, 42,352.47 and 14,186.21

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Solution

The fourth proportional to 28,233.43, 42,352.47 and 14,186.21 is: 21,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.43 : 42,352.47 = 14,186.21 : x
  2. Step 2: Convert to fraction form
    28,233.43/42,352.47 = 14,186.21/x
  3. Step 3: Cross multiply
    28,233.43x = 42,352.47 × 14,186.21
  4. Step 4: Simplify right side
    28,233.43x = 600,820,821.68
  5. Step 5: Solve for x
    x = 600,820,821.68/28,233.43
  6. Step 6: Final answer
    x = 21,280.48

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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.