Home / 28,669.56-42,958.98-22,111.80

Finding the Fourth Proportional to 28,669.56, 42,958.98 and 22,111.80

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Solution

The fourth proportional to 28,669.56, 42,958.98 and 22,111.80 is: 33,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.56 : 42,958.98 = 22,111.80 : x
  2. Step 2: Convert to fraction form
    28,669.56/42,958.98 = 22,111.80/x
  3. Step 3: Cross multiply
    28,669.56x = 42,958.98 × 22,111.80
  4. Step 4: Simplify right side
    28,669.56x = 949,900,373.96
  5. Step 5: Solve for x
    x = 949,900,373.96/28,669.56
  6. Step 6: Final answer
    x = 33,132.72

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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.