Home / 26,455.20-39,674.88-10,655.16

Finding the Fourth Proportional to 26,455.20, 39,674.88 and 10,655.16

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Solution

The fourth proportional to 26,455.20, 39,674.88 and 10,655.16 is: 15,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.20 : 39,674.88 = 10,655.16 : x
  2. Step 2: Convert to fraction form
    26,455.20/39,674.88 = 10,655.16/x
  3. Step 3: Cross multiply
    26,455.20x = 39,674.88 × 10,655.16
  4. Step 4: Simplify right side
    26,455.20x = 422,742,194.38
  5. Step 5: Solve for x
    x = 422,742,194.38/26,455.20
  6. Step 6: Final answer
    x = 15,979.55

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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.