Home / 28,166.43-42,257.60-14,109.49

Finding the Fourth Proportional to 28,166.43, 42,257.60 and 14,109.49

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Solution

The fourth proportional to 28,166.43, 42,257.60 and 14,109.49 is: 21,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.43 : 42,257.60 = 14,109.49 : x
  2. Step 2: Convert to fraction form
    28,166.43/42,257.60 = 14,109.49/x
  3. Step 3: Cross multiply
    28,166.43x = 42,257.60 × 14,109.49
  4. Step 4: Simplify right side
    28,166.43x = 596,233,219.81
  5. Step 5: Solve for x
    x = 596,233,219.81/28,166.43
  6. Step 6: Final answer
    x = 21,168.22

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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.