Home / 26,229.20-39,345.72-10,642.64

Finding the Fourth Proportional to 26,229.20, 39,345.72 and 10,642.64

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Solution

The fourth proportional to 26,229.20, 39,345.72 and 10,642.64 is: 15,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.20 : 39,345.72 = 10,642.64 : x
  2. Step 2: Convert to fraction form
    26,229.20/39,345.72 = 10,642.64/x
  3. Step 3: Cross multiply
    26,229.20x = 39,345.72 × 10,642.64
  4. Step 4: Simplify right side
    26,229.20x = 418,742,333.50
  5. Step 5: Solve for x
    x = 418,742,333.50/26,229.20
  6. Step 6: Final answer
    x = 15,964.74

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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.