Home / 28,167.43-42,259.10-14,110.49

Finding the Fourth Proportional to 28,167.43, 42,259.10 and 14,110.49

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Solution

The fourth proportional to 28,167.43, 42,259.10 and 14,110.49 is: 21,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.43 : 42,259.10 = 14,110.49 : x
  2. Step 2: Convert to fraction form
    28,167.43/42,259.10 = 14,110.49/x
  3. Step 3: Cross multiply
    28,167.43x = 42,259.10 × 14,110.49
  4. Step 4: Simplify right side
    28,167.43x = 596,296,607.96
  5. Step 5: Solve for x
    x = 596,296,607.96/28,167.43
  6. Step 6: Final answer
    x = 21,169.72

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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.