Home / 26,345.52-39,516.12-8,813.07

Finding the Fourth Proportional to 26,345.52, 39,516.12 and 8,813.07

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Solution

The fourth proportional to 26,345.52, 39,516.12 and 8,813.07 is: 13,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.52 : 39,516.12 = 8,813.07 : x
  2. Step 2: Convert to fraction form
    26,345.52/39,516.12 = 8,813.07/x
  3. Step 3: Cross multiply
    26,345.52x = 39,516.12 × 8,813.07
  4. Step 4: Simplify right side
    26,345.52x = 348,258,331.69
  5. Step 5: Solve for x
    x = 348,258,331.69/26,345.52
  6. Step 6: Final answer
    x = 13,218.88

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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.