Home / 26,476.60-39,720.36-7,757.24

Finding the Fourth Proportional to 26,476.60, 39,720.36 and 7,757.24

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Solution

The fourth proportional to 26,476.60, 39,720.36 and 7,757.24 is: 11,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,476.60 : 39,720.36 = 7,757.24 : x
  2. Step 2: Convert to fraction form
    26,476.60/39,720.36 = 7,757.24/x
  3. Step 3: Cross multiply
    26,476.60x = 39,720.36 × 7,757.24
  4. Step 4: Simplify right side
    26,476.60x = 308,120,464.71
  5. Step 5: Solve for x
    x = 308,120,464.71/26,476.60
  6. Step 6: Final answer
    x = 11,637.46

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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.