Home / 26,529.28-39,785.46-8,756.64

Finding the Fourth Proportional to 26,529.28, 39,785.46 and 8,756.64

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Solution

The fourth proportional to 26,529.28, 39,785.46 and 8,756.64 is: 13,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.28 : 39,785.46 = 8,756.64 : x
  2. Step 2: Convert to fraction form
    26,529.28/39,785.46 = 8,756.64/x
  3. Step 3: Cross multiply
    26,529.28x = 39,785.46 × 8,756.64
  4. Step 4: Simplify right side
    26,529.28x = 348,386,829.10
  5. Step 5: Solve for x
    x = 348,386,829.10/26,529.28
  6. Step 6: Final answer
    x = 13,132.16

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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.