Home / 28,767.60-43,151.40-9,052.20

Finding the Fourth Proportional to 28,767.60, 43,151.40 and 9,052.20

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Solution

The fourth proportional to 28,767.60, 43,151.40 and 9,052.20 is: 13,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.60 : 43,151.40 = 9,052.20 : x
  2. Step 2: Convert to fraction form
    28,767.60/43,151.40 = 9,052.20/x
  3. Step 3: Cross multiply
    28,767.60x = 43,151.40 × 9,052.20
  4. Step 4: Simplify right side
    28,767.60x = 390,615,103.08
  5. Step 5: Solve for x
    x = 390,615,103.08/28,767.60
  6. Step 6: Final answer
    x = 13,578.30

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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.