Home / 15,522.80-23,282.40-4,431.20

Finding the Fourth Proportional to 15,522.80, 23,282.40 and 4,431.20

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Solution

The fourth proportional to 15,522.80, 23,282.40 and 4,431.20 is: 6,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.80 : 23,282.40 = 4,431.20 : x
  2. Step 2: Convert to fraction form
    15,522.80/23,282.40 = 4,431.20/x
  3. Step 3: Cross multiply
    15,522.80x = 23,282.40 × 4,431.20
  4. Step 4: Simplify right side
    15,522.80x = 103,168,970.88
  5. Step 5: Solve for x
    x = 103,168,970.88/15,522.80
  6. Step 6: Final answer
    x = 6,646.29

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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.