Home / 28,968.72-43,459.20-9,244.80

Finding the Fourth Proportional to 28,968.72, 43,459.20 and 9,244.80

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Solution

The fourth proportional to 28,968.72, 43,459.20 and 9,244.80 is: 13,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.72 : 43,459.20 = 9,244.80 : x
  2. Step 2: Convert to fraction form
    28,968.72/43,459.20 = 9,244.80/x
  3. Step 3: Cross multiply
    28,968.72x = 43,459.20 × 9,244.80
  4. Step 4: Simplify right side
    28,968.72x = 401,771,612.16
  5. Step 5: Solve for x
    x = 401,771,612.16/28,968.72
  6. Step 6: Final answer
    x = 13,869.15

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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.