Home / 28,305.50-39,101.56-22,677.62

Finding the Fourth Proportional to 28,305.50, 39,101.56 and 22,677.62

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Solution

The fourth proportional to 28,305.50, 39,101.56 and 22,677.62 is: 31,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.50 : 39,101.56 = 22,677.62 : x
  2. Step 2: Convert to fraction form
    28,305.50/39,101.56 = 22,677.62/x
  3. Step 3: Cross multiply
    28,305.50x = 39,101.56 × 22,677.62
  4. Step 4: Simplify right side
    28,305.50x = 886,730,066.89
  5. Step 5: Solve for x
    x = 886,730,066.89/28,305.50
  6. Step 6: Final answer
    x = 31,327.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.