Home / 28,653.90-42,980.85-22,433.10

Finding the Fourth Proportional to 28,653.90, 42,980.85 and 22,433.10

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Solution

The fourth proportional to 28,653.90, 42,980.85 and 22,433.10 is: 33,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.90 : 42,980.85 = 22,433.10 : x
  2. Step 2: Convert to fraction form
    28,653.90/42,980.85 = 22,433.10/x
  3. Step 3: Cross multiply
    28,653.90x = 42,980.85 × 22,433.10
  4. Step 4: Simplify right side
    28,653.90x = 964,193,706.14
  5. Step 5: Solve for x
    x = 964,193,706.14/28,653.90
  6. Step 6: Final answer
    x = 33,649.65

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Similar ratio
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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.