Home / 26,342.28-39,513.15-6,620.40

Finding the Fourth Proportional to 26,342.28, 39,513.15 and 6,620.40

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Solution

The fourth proportional to 26,342.28, 39,513.15 and 6,620.40 is: 9,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.28 : 39,513.15 = 6,620.40 : x
  2. Step 2: Convert to fraction form
    26,342.28/39,513.15 = 6,620.40/x
  3. Step 3: Cross multiply
    26,342.28x = 39,513.15 × 6,620.40
  4. Step 4: Simplify right side
    26,342.28x = 261,592,858.26
  5. Step 5: Solve for x
    x = 261,592,858.26/26,342.28
  6. Step 6: Final answer
    x = 9,930.53

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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.