Home / 28,905.60-43,358.40-26,767.20

Finding the Fourth Proportional to 28,905.60, 43,358.40 and 26,767.20

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Solution

The fourth proportional to 28,905.60, 43,358.40 and 26,767.20 is: 40,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.60 : 43,358.40 = 26,767.20 : x
  2. Step 2: Convert to fraction form
    28,905.60/43,358.40 = 26,767.20/x
  3. Step 3: Cross multiply
    28,905.60x = 43,358.40 × 26,767.20
  4. Step 4: Simplify right side
    28,905.60x = 1,160,582,964.48
  5. Step 5: Solve for x
    x = 1,160,582,964.48/28,905.60
  6. Step 6: Final answer
    x = 40,150.80

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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.