Home / 26,403.47-39,607.64-8,634.22

Finding the Fourth Proportional to 26,403.47, 39,607.64 and 8,634.22

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Solution

The fourth proportional to 26,403.47, 39,607.64 and 8,634.22 is: 12,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.47 : 39,607.64 = 8,634.22 : x
  2. Step 2: Convert to fraction form
    26,403.47/39,607.64 = 8,634.22/x
  3. Step 3: Cross multiply
    26,403.47x = 39,607.64 × 8,634.22
  4. Step 4: Simplify right side
    26,403.47x = 341,981,214.71
  5. Step 5: Solve for x
    x = 341,981,214.71/26,403.47
  6. Step 6: Final answer
    x = 12,952.13

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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.