Home / 26,314.28-39,471.76-8,784.12

Finding the Fourth Proportional to 26,314.28, 39,471.76 and 8,784.12

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Solution

The fourth proportional to 26,314.28, 39,471.76 and 8,784.12 is: 13,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,314.28 : 39,471.76 = 8,784.12 : x
  2. Step 2: Convert to fraction form
    26,314.28/39,471.76 = 8,784.12/x
  3. Step 3: Cross multiply
    26,314.28x = 39,471.76 × 8,784.12
  4. Step 4: Simplify right side
    26,314.28x = 346,724,676.45
  5. Step 5: Solve for x
    x = 346,724,676.45/26,314.28
  6. Step 6: Final answer
    x = 13,176.29

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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.