Home / 26,579.07-39,869.69-9,937.40

Finding the Fourth Proportional to 26,579.07, 39,869.69 and 9,937.40

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Solution

The fourth proportional to 26,579.07, 39,869.69 and 9,937.40 is: 14,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.07 : 39,869.69 = 9,937.40 : x
  2. Step 2: Convert to fraction form
    26,579.07/39,869.69 = 9,937.40/x
  3. Step 3: Cross multiply
    26,579.07x = 39,869.69 × 9,937.40
  4. Step 4: Simplify right side
    26,579.07x = 396,200,808.37
  5. Step 5: Solve for x
    x = 396,200,808.37/26,579.07
  6. Step 6: Final answer
    x = 14,906.50

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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.